Home / 140,433,312.90-210,649,969.35-123,427,200.90

Finding the Fourth Proportional to 140,433,312.90, 210,649,969.35 and 123,427,200.90

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Solution

The fourth proportional to 140,433,312.90, 210,649,969.35 and 123,427,200.90 is: 185,140,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433,312.90 : 210,649,969.35 = 123,427,200.90 : x
  2. Step 2: Convert to fraction form
    140,433,312.90/210,649,969.35 = 123,427,200.90/x
  3. Step 3: Cross multiply
    140,433,312.90x = 210,649,969.35 × 123,427,200.90
  4. Step 4: Simplify right side
    140,433,312.90x = 25,999,936,086,541,292
  5. Step 5: Solve for x
    x = 25,999,936,086,541,292/140,433,312.90
  6. Step 6: Final answer
    x = 185,140,801.35

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Similar ratio
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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.