Home / 359,208,000.30-538,812,000.45-155,134,656.30

Finding the Fourth Proportional to 359,208,000.30, 538,812,000.45 and 155,134,656.30

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Solution

The fourth proportional to 359,208,000.30, 538,812,000.45 and 155,134,656.30 is: 232,701,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,208,000.30 : 538,812,000.45 = 155,134,656.30 : x
  2. Step 2: Convert to fraction form
    359,208,000.30/538,812,000.45 = 155,134,656.30/x
  3. Step 3: Cross multiply
    359,208,000.30x = 538,812,000.45 × 155,134,656.30
  4. Step 4: Simplify right side
    359,208,000.30x = 83,588,414,500,126,208
  5. Step 5: Solve for x
    x = 83,588,414,500,126,208/359,208,000.30
  6. Step 6: Final answer
    x = 232,701,984.45

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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.