Home / 105,414,868.38-145,464,575.68-64,157,200.86

Finding the Fourth Proportional to 105,414,868.38, 145,464,575.68 and 64,157,200.86

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Solution

The fourth proportional to 105,414,868.38, 145,464,575.68 and 64,157,200.86 is: 88,532,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,414,868.38 : 145,464,575.68 = 64,157,200.86 : x
  2. Step 2: Convert to fraction form
    105,414,868.38/145,464,575.68 = 64,157,200.86/x
  3. Step 3: Cross multiply
    105,414,868.38x = 145,464,575.68 × 64,157,200.86
  4. Step 4: Simplify right side
    105,414,868.38x = 9,332,599,999,916,432
  5. Step 5: Solve for x
    x = 9,332,599,999,916,432/105,414,868.38
  6. Step 6: Final answer
    x = 88,532,103.14

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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.