Home / 155,520,113.70-233,280,170.55-87,365,028.90

Finding the Fourth Proportional to 155,520,113.70, 233,280,170.55 and 87,365,028.90

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Solution

The fourth proportional to 155,520,113.70, 233,280,170.55 and 87,365,028.90 is: 131,047,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,113.70 : 233,280,170.55 = 87,365,028.90 : x
  2. Step 2: Convert to fraction form
    155,520,113.70/233,280,170.55 = 87,365,028.90/x
  3. Step 3: Cross multiply
    155,520,113.70x = 233,280,170.55 × 87,365,028.90
  4. Step 4: Simplify right side
    155,520,113.70x = 20,380,528,841,897,680
  5. Step 5: Solve for x
    x = 20,380,528,841,897,680/155,520,113.70
  6. Step 6: Final answer
    x = 131,047,543.35

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1.5x scale

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.