Home / 72,834,247.02-100,510,071.94-39,793,785.08

Finding the Fourth Proportional to 72,834,247.02, 100,510,071.94 and 39,793,785.08

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Solution

The fourth proportional to 72,834,247.02, 100,510,071.94 and 39,793,785.08 is: 54,914,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,247.02 : 100,510,071.94 = 39,793,785.08 : x
  2. Step 2: Convert to fraction form
    72,834,247.02/100,510,071.94 = 39,793,785.08/x
  3. Step 3: Cross multiply
    72,834,247.02x = 100,510,071.94 × 39,793,785.08
  4. Step 4: Simplify right side
    72,834,247.02x = 3,999,676,201,155,698.50
  5. Step 5: Solve for x
    x = 3,999,676,201,155,698.50/72,834,247.02
  6. Step 6: Final answer
    x = 54,914,773.82

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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.