Home / 125,904,833.20-188,941,230.60-57,712,423.60

Finding the Fourth Proportional to 125,904,833.20, 188,941,230.60 and 57,712,423.60

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Solution

The fourth proportional to 125,904,833.20, 188,941,230.60 and 57,712,423.60 is: 86,607,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904,833.20 : 188,941,230.60 = 57,712,423.60 : x
  2. Step 2: Convert to fraction form
    125,904,833.20/188,941,230.60 = 57,712,423.60/x
  3. Step 3: Cross multiply
    125,904,833.20x = 188,941,230.60 × 57,712,423.60
  4. Step 4: Simplify right side
    125,904,833.20x = 10,904,256,335,892,482
  5. Step 5: Solve for x
    x = 10,904,256,335,892,482/125,904,833.20
  6. Step 6: Final answer
    x = 86,607,130.63

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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.