Home / 99,070,788.90-148,480,212.15-47,842,500.90

Finding the Fourth Proportional to 99,070,788.90, 148,480,212.15 and 47,842,500.90

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Solution

The fourth proportional to 99,070,788.90, 148,480,212.15 and 47,842,500.90 is: 71,702,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070,788.90 : 148,480,212.15 = 47,842,500.90 : x
  2. Step 2: Convert to fraction form
    99,070,788.90/148,480,212.15 = 47,842,500.90/x
  3. Step 3: Cross multiply
    99,070,788.90x = 148,480,212.15 × 47,842,500.90
  4. Step 4: Simplify right side
    99,070,788.90x = 7,103,664,683,418,566
  5. Step 5: Solve for x
    x = 7,103,664,683,418,566/99,070,788.90
  6. Step 6: Final answer
    x = 71,702,918.31

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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.