Home / 122,423,001.48-168,951,428.10-67,418,856.36

Finding the Fourth Proportional to 122,423,001.48, 168,951,428.10 and 67,418,856.36

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Solution

The fourth proportional to 122,423,001.48, 168,951,428.10 and 67,418,856.36 is: 93,042,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,423,001.48 : 168,951,428.10 = 67,418,856.36 : x
  2. Step 2: Convert to fraction form
    122,423,001.48/168,951,428.10 = 67,418,856.36/x
  3. Step 3: Cross multiply
    122,423,001.48x = 168,951,428.10 × 67,418,856.36
  4. Step 4: Simplify right side
    122,423,001.48x = 11,390,512,062,890,768
  5. Step 5: Solve for x
    x = 11,390,512,062,890,768/122,423,001.48
  6. Step 6: Final answer
    x = 93,042,254.52

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1.5x scale

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.