Home / 142,198,290.12-213,110,156.32-60,215,725.68

Finding the Fourth Proportional to 142,198,290.12, 213,110,156.32 and 60,215,725.68

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Solution

The fourth proportional to 142,198,290.12, 213,110,156.32 and 60,215,725.68 is: 90,244,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,198,290.12 : 213,110,156.32 = 60,215,725.68 : x
  2. Step 2: Convert to fraction form
    142,198,290.12/213,110,156.32 = 60,215,725.68/x
  3. Step 3: Cross multiply
    142,198,290.12x = 213,110,156.32 × 60,215,725.68
  4. Step 4: Simplify right side
    142,198,290.12x = 12,832,582,712,587,038
  5. Step 5: Solve for x
    x = 12,832,582,712,587,038/142,198,290.12
  6. Step 6: Final answer
    x = 90,244,282.84

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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.