Home / 219,650,689.28-329,495,182.89-72,053,995.88

Finding the Fourth Proportional to 219,650,689.28, 329,495,182.89 and 72,053,995.88

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Solution

The fourth proportional to 219,650,689.28, 329,495,182.89 and 72,053,995.88 is: 108,087,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,650,689.28 : 329,495,182.89 = 72,053,995.88 : x
  2. Step 2: Convert to fraction form
    219,650,689.28/329,495,182.89 = 72,053,995.88/x
  3. Step 3: Cross multiply
    219,650,689.28x = 329,495,182.89 × 72,053,995.88
  4. Step 4: Simplify right side
    219,650,689.28x = 23,741,444,550,075,636
  5. Step 5: Solve for x
    x = 23,741,444,550,075,636/219,650,689.28
  6. Step 6: Final answer
    x = 108,087,275.43

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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.