Home / 125,963,693.20-188,945,539.80-53,262,564.40

Finding the Fourth Proportional to 125,963,693.20, 188,945,539.80 and 53,262,564.40

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Solution

The fourth proportional to 125,963,693.20, 188,945,539.80 and 53,262,564.40 is: 79,893,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963,693.20 : 188,945,539.80 = 53,262,564.40 : x
  2. Step 2: Convert to fraction form
    125,963,693.20/188,945,539.80 = 53,262,564.40/x
  3. Step 3: Cross multiply
    125,963,693.20x = 188,945,539.80 × 53,262,564.40
  4. Step 4: Simplify right side
    125,963,693.20x = 10,063,723,981,690,264
  5. Step 5: Solve for x
    x = 10,063,723,981,690,264/125,963,693.20
  6. Step 6: Final answer
    x = 79,893,846.60

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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.