Home / 70,827,138,686.21-97,741,214,091.74-38,712,482,238.92

Finding the Fourth Proportional to 70,827,138,686.21, 97,741,214,091.74 and 38,712,482,238.92

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Solution

The fourth proportional to 70,827,138,686.21, 97,741,214,091.74 and 38,712,482,238.92 is: 53,423,095,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,827,138,686.21 : 97,741,214,091.74 = 38,712,482,238.92 : x
  2. Step 2: Convert to fraction form
    70,827,138,686.21/97,741,214,091.74 = 38,712,482,238.92/x
  3. Step 3: Cross multiply
    70,827,138,686.21x = 97,741,214,091.74 × 38,712,482,238.92
  4. Step 4: Simplify right side
    70,827,138,686.21x = 3,783,805,014,536,768,454,656
  5. Step 5: Solve for x
    x = 3,783,805,014,536,768,454,656/70,827,138,686.21
  6. Step 6: Final answer
    x = 53,423,095,789.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.