Home / 105,008,925.90-157,466,149.65-40,291,221.90

Finding the Fourth Proportional to 105,008,925.90, 157,466,149.65 and 40,291,221.90

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Solution

The fourth proportional to 105,008,925.90, 157,466,149.65 and 40,291,221.90 is: 60,418,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,925.90 : 157,466,149.65 = 40,291,221.90 : x
  2. Step 2: Convert to fraction form
    105,008,925.90/157,466,149.65 = 40,291,221.90/x
  3. Step 3: Cross multiply
    105,008,925.90x = 157,466,149.65 × 40,291,221.90
  4. Step 4: Simplify right side
    105,008,925.90x = 6,344,503,577,286,757
  5. Step 5: Solve for x
    x = 6,344,503,577,286,757/105,008,925.90
  6. Step 6: Final answer
    x = 60,418,707.49

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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.