Home / 66,434,432.10-99,651,648.15-61,173,166.20

Finding the Fourth Proportional to 66,434,432.10, 99,651,648.15 and 61,173,166.20

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Solution

The fourth proportional to 66,434,432.10, 99,651,648.15 and 61,173,166.20 is: 91,759,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,432.10 : 99,651,648.15 = 61,173,166.20 : x
  2. Step 2: Convert to fraction form
    66,434,432.10/99,651,648.15 = 61,173,166.20/x
  3. Step 3: Cross multiply
    66,434,432.10x = 99,651,648.15 × 61,173,166.20
  4. Step 4: Simplify right side
    66,434,432.10x = 6,096,006,834,383,873
  5. Step 5: Solve for x
    x = 6,096,006,834,383,873/66,434,432.10
  6. Step 6: Final answer
    x = 91,759,749.30

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Double scale
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Similar ratio
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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.