Home / 359,103,980.12-538,678,727.55-151,803,755.91

Finding the Fourth Proportional to 359,103,980.12, 538,678,727.55 and 151,803,755.91

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Solution

The fourth proportional to 359,103,980.12, 538,678,727.55 and 151,803,755.91 is: 227,715,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,103,980.12 : 538,678,727.55 = 151,803,755.91 : x
  2. Step 2: Convert to fraction form
    359,103,980.12/538,678,727.55 = 151,803,755.91/x
  3. Step 3: Cross multiply
    359,103,980.12x = 538,678,727.55 × 151,803,755.91
  4. Step 4: Simplify right side
    359,103,980.12x = 81,773,454,070,909,584
  5. Step 5: Solve for x
    x = 81,773,454,070,909,584/359,103,980.12
  6. Step 6: Final answer
    x = 227,715,254.07

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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.