Home / 144,108,480.72-216,130,305.15-66,310,759.02

Finding the Fourth Proportional to 144,108,480.72, 216,130,305.15 and 66,310,759.02

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Solution

The fourth proportional to 144,108,480.72, 216,130,305.15 and 66,310,759.02 is: 99,451,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,108,480.72 : 216,130,305.15 = 66,310,759.02 : x
  2. Step 2: Convert to fraction form
    144,108,480.72/216,130,305.15 = 66,310,759.02/x
  3. Step 3: Cross multiply
    144,108,480.72x = 216,130,305.15 × 66,310,759.02
  4. Step 4: Simplify right side
    144,108,480.72x = 14,331,764,581,720,716
  5. Step 5: Solve for x
    x = 14,331,764,581,720,716/144,108,480.72
  6. Step 6: Final answer
    x = 99,451,222.51

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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.