Home / 132,203,213.20-198,336,312.60-63,989,808.40

Finding the Fourth Proportional to 132,203,213.20, 198,336,312.60 and 63,989,808.40

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Solution

The fourth proportional to 132,203,213.20, 198,336,312.60 and 63,989,808.40 is: 95,999,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,203,213.20 : 198,336,312.60 = 63,989,808.40 : x
  2. Step 2: Convert to fraction form
    132,203,213.20/198,336,312.60 = 63,989,808.40/x
  3. Step 3: Cross multiply
    132,203,213.20x = 198,336,312.60 × 63,989,808.40
  4. Step 4: Simplify right side
    132,203,213.20x = 12,691,502,642,036,506
  5. Step 5: Solve for x
    x = 12,691,502,642,036,506/132,203,213.20
  6. Step 6: Final answer
    x = 95,999,955.94

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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.