Home / 79,214,981.70-118,822,472.55-76,345,200.30

Finding the Fourth Proportional to 79,214,981.70, 118,822,472.55 and 76,345,200.30

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Solution

The fourth proportional to 79,214,981.70, 118,822,472.55 and 76,345,200.30 is: 114,517,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214,981.70 : 118,822,472.55 = 76,345,200.30 : x
  2. Step 2: Convert to fraction form
    79,214,981.70/118,822,472.55 = 76,345,200.30/x
  3. Step 3: Cross multiply
    79,214,981.70x = 118,822,472.55 × 76,345,200.30
  4. Step 4: Simplify right side
    79,214,981.70x = 9,071,525,466,971,002
  5. Step 5: Solve for x
    x = 9,071,525,466,971,002/79,214,981.70
  6. Step 6: Final answer
    x = 114,517,800.45

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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.