Home / 238,825,402.72-358,220,826.48-75,109,991.20

Finding the Fourth Proportional to 238,825,402.72, 358,220,826.48 and 75,109,991.20

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Solution

The fourth proportional to 238,825,402.72, 358,220,826.48 and 75,109,991.20 is: 112,659,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,825,402.72 : 358,220,826.48 = 75,109,991.20 : x
  2. Step 2: Convert to fraction form
    238,825,402.72/358,220,826.48 = 75,109,991.20/x
  3. Step 3: Cross multiply
    238,825,402.72x = 358,220,826.48 × 75,109,991.20
  4. Step 4: Simplify right side
    238,825,402.72x = 26,905,963,124,569,528
  5. Step 5: Solve for x
    x = 26,905,963,124,569,528/238,825,402.72
  6. Step 6: Final answer
    x = 112,659,553.04

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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.