Home / 229,490,454.16-316,658,053.52-129,005,506.85

Finding the Fourth Proportional to 229,490,454.16, 316,658,053.52 and 129,005,506.85

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Solution

The fourth proportional to 229,490,454.16, 316,658,053.52 and 129,005,506.85 is: 178,005,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,490,454.16 : 316,658,053.52 = 129,005,506.85 : x
  2. Step 2: Convert to fraction form
    229,490,454.16/316,658,053.52 = 129,005,506.85/x
  3. Step 3: Cross multiply
    229,490,454.16x = 316,658,053.52 × 129,005,506.85
  4. Step 4: Simplify right side
    229,490,454.16x = 40,850,632,691,134,720
  5. Step 5: Solve for x
    x = 40,850,632,691,134,720/229,490,454.16
  6. Step 6: Final answer
    x = 178,005,803.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.