Home / 72,834,246.64-100,510,071.43-39,793,784.70

Finding the Fourth Proportional to 72,834,246.64, 100,510,071.43 and 39,793,784.70

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Solution

The fourth proportional to 72,834,246.64, 100,510,071.43 and 39,793,784.70 is: 54,914,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,246.64 : 100,510,071.43 = 39,793,784.70 : x
  2. Step 2: Convert to fraction form
    72,834,246.64/100,510,071.43 = 39,793,784.70/x
  3. Step 3: Cross multiply
    72,834,246.64x = 100,510,071.43 × 39,793,784.70
  4. Step 4: Simplify right side
    72,834,246.64x = 3,999,676,142,468,072.50
  5. Step 5: Solve for x
    x = 3,999,676,142,468,072.50/72,834,246.64
  6. Step 6: Final answer
    x = 54,914,773.30

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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.