Home / 72,244,852.60-99,697,961.77-39,205,102.05

Finding the Fourth Proportional to 72,244,852.60, 99,697,961.77 and 39,205,102.05

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Solution

The fourth proportional to 72,244,852.60, 99,697,961.77 and 39,205,102.05 is: 54,103,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244,852.60 : 99,697,961.77 = 39,205,102.05 : x
  2. Step 2: Convert to fraction form
    72,244,852.60/99,697,961.77 = 39,205,102.05/x
  3. Step 3: Cross multiply
    72,244,852.60x = 99,697,961.77 × 39,205,102.05
  4. Step 4: Simplify right side
    72,244,852.60x = 3,908,668,765,369,848
  5. Step 5: Solve for x
    x = 3,908,668,765,369,848/72,244,852.60
  6. Step 6: Final answer
    x = 54,103,076.20

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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.