Home / 124,767,691.10-187,164,043.05-42,875,783.90

Finding the Fourth Proportional to 124,767,691.10, 187,164,043.05 and 42,875,783.90

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Solution

The fourth proportional to 124,767,691.10, 187,164,043.05 and 42,875,783.90 is: 64,317,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,691.10 : 187,164,043.05 = 42,875,783.90 : x
  2. Step 2: Convert to fraction form
    124,767,691.10/187,164,043.05 = 42,875,783.90/x
  3. Step 3: Cross multiply
    124,767,691.10x = 187,164,043.05 × 42,875,783.90
  4. Step 4: Simplify right side
    124,767,691.10x = 8,024,805,063,662,097
  5. Step 5: Solve for x
    x = 8,024,805,063,662,097/124,767,691.10
  6. Step 6: Final answer
    x = 64,317,973.61

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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.