Home / 155,153,867.70-232,730,801.55-142,052,862.90

Finding the Fourth Proportional to 155,153,867.70, 232,730,801.55 and 142,052,862.90

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Solution

The fourth proportional to 155,153,867.70, 232,730,801.55 and 142,052,862.90 is: 213,079,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153,867.70 : 232,730,801.55 = 142,052,862.90 : x
  2. Step 2: Convert to fraction form
    155,153,867.70/232,730,801.55 = 142,052,862.90/x
  3. Step 3: Cross multiply
    155,153,867.70x = 232,730,801.55 × 142,052,862.90
  4. Step 4: Simplify right side
    155,153,867.70x = 33,060,076,645,189,260
  5. Step 5: Solve for x
    x = 33,060,076,645,189,260/155,153,867.70
  6. Step 6: Final answer
    x = 213,079,294.35

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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.