Home / 90,977,146.88-136,445,600.56-26,266,881.92

Finding the Fourth Proportional to 90,977,146.88, 136,445,600.56 and 26,266,881.92

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Solution

The fourth proportional to 90,977,146.88, 136,445,600.56 and 26,266,881.92 is: 39,394,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,977,146.88 : 136,445,600.56 = 26,266,881.92 : x
  2. Step 2: Convert to fraction form
    90,977,146.88/136,445,600.56 = 26,266,881.92/x
  3. Step 3: Cross multiply
    90,977,146.88x = 136,445,600.56 × 26,266,881.92
  4. Step 4: Simplify right side
    90,977,146.88x = 3,584,000,478,413,006
  5. Step 5: Solve for x
    x = 3,584,000,478,413,006/90,977,146.88
  6. Step 6: Final answer
    x = 39,394,513.91

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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.