Home / 185,705,550.28-256,003,560.48-129,777,333.40

Finding the Fourth Proportional to 185,705,550.28, 256,003,560.48 and 129,777,333.40

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Solution

The fourth proportional to 185,705,550.28, 256,003,560.48 and 129,777,333.40 is: 178,903,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,705,550.28 : 256,003,560.48 = 129,777,333.40 : x
  2. Step 2: Convert to fraction form
    185,705,550.28/256,003,560.48 = 129,777,333.40/x
  3. Step 3: Cross multiply
    185,705,550.28x = 256,003,560.48 × 129,777,333.40
  4. Step 4: Simplify right side
    185,705,550.28x = 33,223,459,420,000,024
  5. Step 5: Solve for x
    x = 33,223,459,420,000,024/185,705,550.28
  6. Step 6: Final answer
    x = 178,903,965.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.