Home / 66,896,113.20-100,407,155.40-41,386,945.20

Finding the Fourth Proportional to 66,896,113.20, 100,407,155.40 and 41,386,945.20

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Solution

The fourth proportional to 66,896,113.20, 100,407,155.40 and 41,386,945.20 is: 62,119,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896,113.20 : 100,407,155.40 = 41,386,945.20 : x
  2. Step 2: Convert to fraction form
    66,896,113.20/100,407,155.40 = 41,386,945.20/x
  3. Step 3: Cross multiply
    66,896,113.20x = 100,407,155.40 × 41,386,945.20
  4. Step 4: Simplify right side
    66,896,113.20x = 4,155,545,438,227,684.50
  5. Step 5: Solve for x
    x = 4,155,545,438,227,684.50/66,896,113.20
  6. Step 6: Final answer
    x = 62,119,385.41

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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.