Home / 103,762,381.53-155,810,309.18-68,801,493.43

Finding the Fourth Proportional to 103,762,381.53, 155,810,309.18 and 68,801,493.43

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Solution

The fourth proportional to 103,762,381.53, 155,810,309.18 and 68,801,493.43 is: 103,312,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,762,381.53 : 155,810,309.18 = 68,801,493.43 : x
  2. Step 2: Convert to fraction form
    103,762,381.53/155,810,309.18 = 68,801,493.43/x
  3. Step 3: Cross multiply
    103,762,381.53x = 155,810,309.18 × 68,801,493.43
  4. Step 4: Simplify right side
    103,762,381.53x = 10,719,981,963,374,040
  5. Step 5: Solve for x
    x = 10,719,981,963,374,040/103,762,381.53
  6. Step 6: Final answer
    x = 103,312,798.00

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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.