Home / 76,912,999.70-115,369,499.55-74,225,614.10

Finding the Fourth Proportional to 76,912,999.70, 115,369,499.55 and 74,225,614.10

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Solution

The fourth proportional to 76,912,999.70, 115,369,499.55 and 74,225,614.10 is: 111,338,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,912,999.70 : 115,369,499.55 = 74,225,614.10 : x
  2. Step 2: Convert to fraction form
    76,912,999.70/115,369,499.55 = 74,225,614.10/x
  3. Step 3: Cross multiply
    76,912,999.70x = 115,369,499.55 × 74,225,614.10
  4. Step 4: Simplify right side
    76,912,999.70x = 8,563,371,952,508,423
  5. Step 5: Solve for x
    x = 8,563,371,952,508,423/76,912,999.70
  6. Step 6: Final answer
    x = 111,338,421.15

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1.5x scale

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.