Home / 73,487,013.60-109,969,246.80-64,006,514.40

Finding the Fourth Proportional to 73,487,013.60, 109,969,246.80 and 64,006,514.40

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Solution

The fourth proportional to 73,487,013.60, 109,969,246.80 and 64,006,514.40 is: 95,782,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487,013.60 : 109,969,246.80 = 64,006,514.40 : x
  2. Step 2: Convert to fraction form
    73,487,013.60/109,969,246.80 = 64,006,514.40/x
  3. Step 3: Cross multiply
    73,487,013.60x = 109,969,246.80 × 64,006,514.40
  4. Step 4: Simplify right side
    73,487,013.60x = 7,038,748,178,861,354
  5. Step 5: Solve for x
    x = 7,038,748,178,861,354/73,487,013.60
  6. Step 6: Final answer
    x = 95,782,204.69

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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.