Home / 75,780,332.70-113,670,499.05-68,127,582.30

Finding the Fourth Proportional to 75,780,332.70, 113,670,499.05 and 68,127,582.30

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Solution

The fourth proportional to 75,780,332.70, 113,670,499.05 and 68,127,582.30 is: 102,191,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780,332.70 : 113,670,499.05 = 68,127,582.30 : x
  2. Step 2: Convert to fraction form
    75,780,332.70/113,670,499.05 = 68,127,582.30/x
  3. Step 3: Cross multiply
    75,780,332.70x = 113,670,499.05 × 68,127,582.30
  4. Step 4: Simplify right side
    75,780,332.70x = 7,744,096,279,110,946
  5. Step 5: Solve for x
    x = 7,744,096,279,110,946/75,780,332.70
  6. Step 6: Final answer
    x = 102,191,373.45

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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.