Home / 120,888,468.29-181,368,279.46-39,005,810.48

Finding the Fourth Proportional to 120,888,468.29, 181,368,279.46 and 39,005,810.48

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Solution

The fourth proportional to 120,888,468.29, 181,368,279.46 and 39,005,810.48 is: 58,520,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,888,468.29 : 181,368,279.46 = 39,005,810.48 : x
  2. Step 2: Convert to fraction form
    120,888,468.29/181,368,279.46 = 39,005,810.48/x
  3. Step 3: Cross multiply
    120,888,468.29x = 181,368,279.46 × 39,005,810.48
  4. Step 4: Simplify right side
    120,888,468.29x = 7,074,416,735,700,436
  5. Step 5: Solve for x
    x = 7,074,416,735,700,436/120,888,468.29
  6. Step 6: Final answer
    x = 58,520,194.98

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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.