Home / 124,768,035.60-187,164,559.80-42,876,128.40

Finding the Fourth Proportional to 124,768,035.60, 187,164,559.80 and 42,876,128.40

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Solution

The fourth proportional to 124,768,035.60, 187,164,559.80 and 42,876,128.40 is: 64,318,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768,035.60 : 187,164,559.80 = 42,876,128.40 : x
  2. Step 2: Convert to fraction form
    124,768,035.60/187,164,559.80 = 42,876,128.40/x
  3. Step 3: Cross multiply
    124,768,035.60x = 187,164,559.80 × 42,876,128.40
  4. Step 4: Simplify right side
    124,768,035.60x = 8,024,891,697,914,279
  5. Step 5: Solve for x
    x = 8,024,891,697,914,279/124,768,035.60
  6. Step 6: Final answer
    x = 64,318,490.38

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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.