Home / 207,142,159.91-310,678,597.77-75,957,326.87

Finding the Fourth Proportional to 207,142,159.91, 310,678,597.77 and 75,957,326.87

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Solution

The fourth proportional to 207,142,159.91, 310,678,597.77 and 75,957,326.87 is: 113,923,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,142,159.91 : 310,678,597.77 = 75,957,326.87 : x
  2. Step 2: Convert to fraction form
    207,142,159.91/310,678,597.77 = 75,957,326.87/x
  3. Step 3: Cross multiply
    207,142,159.91x = 310,678,597.77 × 75,957,326.87
  4. Step 4: Simplify right side
    207,142,159.91x = 23,598,315,800,775,748
  5. Step 5: Solve for x
    x = 23,598,315,800,775,748/207,142,159.91
  6. Step 6: Final answer
    x = 113,923,287.33

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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.