Home / 99,842,873.40-149,693,451.30-38,408,293.80

Finding the Fourth Proportional to 99,842,873.40, 149,693,451.30 and 38,408,293.80

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Solution

The fourth proportional to 99,842,873.40, 149,693,451.30 and 38,408,293.80 is: 57,585,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842,873.40 : 149,693,451.30 = 38,408,293.80 : x
  2. Step 2: Convert to fraction form
    99,842,873.40/149,693,451.30 = 38,408,293.80/x
  3. Step 3: Cross multiply
    99,842,873.40x = 149,693,451.30 × 38,408,293.80
  4. Step 4: Simplify right side
    99,842,873.40x = 5,749,470,057,466,392
  5. Step 5: Solve for x
    x = 5,749,470,057,466,392/99,842,873.40
  6. Step 6: Final answer
    x = 57,585,182.21

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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.