Home / 359,841,665.20-539,762,500.44-87,212,432.56

Finding the Fourth Proportional to 359,841,665.20, 539,762,500.44 and 87,212,432.56

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Solution

The fourth proportional to 359,841,665.20, 539,762,500.44 and 87,212,432.56 is: 130,818,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,841,665.20 : 539,762,500.44 = 87,212,432.56 : x
  2. Step 2: Convert to fraction form
    359,841,665.20/539,762,500.44 = 87,212,432.56/x
  3. Step 3: Cross multiply
    359,841,665.20x = 539,762,500.44 × 87,212,432.56
  4. Step 4: Simplify right side
    359,841,665.20x = 47,074,000,668,040,480
  5. Step 5: Solve for x
    x = 47,074,000,668,040,480/359,841,665.20
  6. Step 6: Final answer
    x = 130,818,649.48

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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.