Home / 144,149,812.97-216,303,435.90-61,138,653.41

Finding the Fourth Proportional to 144,149,812.97, 216,303,435.90 and 61,138,653.41

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Solution

The fourth proportional to 144,149,812.97, 216,303,435.90 and 61,138,653.41 is: 91,741,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,149,812.97 : 216,303,435.90 = 61,138,653.41 : x
  2. Step 2: Convert to fraction form
    144,149,812.97/216,303,435.90 = 61,138,653.41/x
  3. Step 3: Cross multiply
    144,149,812.97x = 216,303,435.90 × 61,138,653.41
  4. Step 4: Simplify right side
    144,149,812.97x = 13,224,500,799,423,010
  5. Step 5: Solve for x
    x = 13,224,500,799,423,010/144,149,812.97
  6. Step 6: Final answer
    x = 91,741,366.34

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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.