Home / 103,349,316.38-142,592,463.51-61,498,404.86

Finding the Fourth Proportional to 103,349,316.38, 142,592,463.51 and 61,498,404.86

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Solution

The fourth proportional to 103,349,316.38, 142,592,463.51 and 61,498,404.86 is: 84,850,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349,316.38 : 142,592,463.51 = 61,498,404.86 : x
  2. Step 2: Convert to fraction form
    103,349,316.38/142,592,463.51 = 61,498,404.86/x
  3. Step 3: Cross multiply
    103,349,316.38x = 142,592,463.51 × 61,498,404.86
  4. Step 4: Simplify right side
    103,349,316.38x = 8,769,209,050,922,756
  5. Step 5: Solve for x
    x = 8,769,209,050,922,756/103,349,316.38
  6. Step 6: Final answer
    x = 84,850,189.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.