Home / 124,900,724.36-172,381,037.69-71,967,297.89

Finding the Fourth Proportional to 124,900,724.36, 172,381,037.69 and 71,967,297.89

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Solution

The fourth proportional to 124,900,724.36, 172,381,037.69 and 71,967,297.89 is: 99,325,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900,724.36 : 172,381,037.69 = 71,967,297.89 : x
  2. Step 2: Convert to fraction form
    124,900,724.36/172,381,037.69 = 71,967,297.89/x
  3. Step 3: Cross multiply
    124,900,724.36x = 172,381,037.69 × 71,967,297.89
  4. Step 4: Simplify right side
    124,900,724.36x = 12,405,797,490,634,418
  5. Step 5: Solve for x
    x = 12,405,797,490,634,418/124,900,724.36
  6. Step 6: Final answer
    x = 99,325,264.56

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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.