Home / 72,789,947,996.40-109,184,921,994.60-59,565,995,305.20

Finding the Fourth Proportional to 72,789,947,996.40, 109,184,921,994.60 and 59,565,995,305.20

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Solution

The fourth proportional to 72,789,947,996.40, 109,184,921,994.60 and 59,565,995,305.20 is: 89,348,992,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,789,947,996.40 : 109,184,921,994.60 = 59,565,995,305.20 : x
  2. Step 2: Convert to fraction form
    72,789,947,996.40/109,184,921,994.60 = 59,565,995,305.20/x
  3. Step 3: Cross multiply
    72,789,947,996.40x = 109,184,921,994.60 × 59,565,995,305.20
  4. Step 4: Simplify right side
    72,789,947,996.40x = 6,503,708,550,928,971,857,920
  5. Step 5: Solve for x
    x = 6,503,708,550,928,971,857,920/72,789,947,996.40
  6. Step 6: Final answer
    x = 89,348,992,957.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.