Home / 67,155,073.20-100,732,609.80-53,718,145.20

Finding the Fourth Proportional to 67,155,073.20, 100,732,609.80 and 53,718,145.20

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Solution

The fourth proportional to 67,155,073.20, 100,732,609.80 and 53,718,145.20 is: 80,577,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,073.20 : 100,732,609.80 = 53,718,145.20 : x
  2. Step 2: Convert to fraction form
    67,155,073.20/100,732,609.80 = 53,718,145.20/x
  3. Step 3: Cross multiply
    67,155,073.20x = 100,732,609.80 × 53,718,145.20
  4. Step 4: Simplify right side
    67,155,073.20x = 5,411,168,959,611,343
  5. Step 5: Solve for x
    x = 5,411,168,959,611,343/67,155,073.20
  6. Step 6: Final answer
    x = 80,577,217.80

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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.