Home / 143,124,347.92-214,660,963.12-38,080,294.60

Finding the Fourth Proportional to 143,124,347.92, 214,660,963.12 and 38,080,294.60

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Solution

The fourth proportional to 143,124,347.92, 214,660,963.12 and 38,080,294.60 is: 57,113,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,124,347.92 : 214,660,963.12 = 38,080,294.60 : x
  2. Step 2: Convert to fraction form
    143,124,347.92/214,660,963.12 = 38,080,294.60/x
  3. Step 3: Cross multiply
    143,124,347.92x = 214,660,963.12 × 38,080,294.60
  4. Step 4: Simplify right side
    143,124,347.92x = 8,174,352,714,729,336
  5. Step 5: Solve for x
    x = 8,174,352,714,729,336/143,124,347.92
  6. Step 6: Final answer
    x = 57,113,641.62

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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.