Home / 100,101,140.60-150,151,710.90-42,595,287.80

Finding the Fourth Proportional to 100,101,140.60, 150,151,710.90 and 42,595,287.80

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Solution

The fourth proportional to 100,101,140.60, 150,151,710.90 and 42,595,287.80 is: 63,892,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,101,140.60 : 150,151,710.90 = 42,595,287.80 : x
  2. Step 2: Convert to fraction form
    100,101,140.60/150,151,710.90 = 42,595,287.80/x
  3. Step 3: Cross multiply
    100,101,140.60x = 150,151,710.90 × 42,595,287.80
  4. Step 4: Simplify right side
    100,101,140.60x = 6,395,755,339,447,897
  5. Step 5: Solve for x
    x = 6,395,755,339,447,897/100,101,140.60
  6. Step 6: Final answer
    x = 63,892,931.70

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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.