Home / 99,804,918.60-149,413,445.10-74,358,736.20

Finding the Fourth Proportional to 99,804,918.60, 149,413,445.10 and 74,358,736.20

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Solution

The fourth proportional to 99,804,918.60, 149,413,445.10 and 74,358,736.20 is: 111,319,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,918.60 : 149,413,445.10 = 74,358,736.20 : x
  2. Step 2: Convert to fraction form
    99,804,918.60/149,413,445.10 = 74,358,736.20/x
  3. Step 3: Cross multiply
    99,804,918.60x = 149,413,445.10 × 74,358,736.20
  4. Step 4: Simplify right side
    99,804,918.60x = 11,110,194,948,924,082
  5. Step 5: Solve for x
    x = 11,110,194,948,924,082/99,804,918.60
  6. Step 6: Final answer
    x = 111,319,112.37

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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.