Home / 78,697,204.30-118,045,806.45-62,257,962.70

Finding the Fourth Proportional to 78,697,204.30, 118,045,806.45 and 62,257,962.70

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Solution

The fourth proportional to 78,697,204.30, 118,045,806.45 and 62,257,962.70 is: 93,386,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,697,204.30 : 118,045,806.45 = 62,257,962.70 : x
  2. Step 2: Convert to fraction form
    78,697,204.30/118,045,806.45 = 62,257,962.70/x
  3. Step 3: Cross multiply
    78,697,204.30x = 118,045,806.45 × 62,257,962.70
  4. Step 4: Simplify right side
    78,697,204.30x = 7,349,291,414,855,520
  5. Step 5: Solve for x
    x = 7,349,291,414,855,520/78,697,204.30
  6. Step 6: Final answer
    x = 93,386,944.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.