Home / 145,720,132.46-201,093,978.75-83,839,229.90

Finding the Fourth Proportional to 145,720,132.46, 201,093,978.75 and 83,839,229.90

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Solution

The fourth proportional to 145,720,132.46, 201,093,978.75 and 83,839,229.90 is: 115,698,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,720,132.46 : 201,093,978.75 = 83,839,229.90 : x
  2. Step 2: Convert to fraction form
    145,720,132.46/201,093,978.75 = 83,839,229.90/x
  3. Step 3: Cross multiply
    145,720,132.46x = 201,093,978.75 × 83,839,229.90
  4. Step 4: Simplify right side
    145,720,132.46x = 16,859,564,315,926,966
  5. Step 5: Solve for x
    x = 16,859,564,315,926,966/145,720,132.46
  6. Step 6: Final answer
    x = 115,698,250.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.