Home / 73,937,877.30-102,138,638.04-67,311,398.52

Finding the Fourth Proportional to 73,937,877.30, 102,138,638.04 and 67,311,398.52

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Solution

The fourth proportional to 73,937,877.30, 102,138,638.04 and 67,311,398.52 is: 92,984,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,937,877.30 : 102,138,638.04 = 67,311,398.52 : x
  2. Step 2: Convert to fraction form
    73,937,877.30/102,138,638.04 = 67,311,398.52/x
  3. Step 3: Cross multiply
    73,937,877.30x = 102,138,638.04 × 67,311,398.52
  4. Step 4: Simplify right side
    73,937,877.30x = 6,875,094,569,400,472
  5. Step 5: Solve for x
    x = 6,875,094,569,400,472/73,937,877.30
  6. Step 6: Final answer
    x = 92,984,743.69

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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.