Home / 124,677,146.64-187,065,321.12-47,979,581.52

Finding the Fourth Proportional to 124,677,146.64, 187,065,321.12 and 47,979,581.52

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Solution

The fourth proportional to 124,677,146.64, 187,065,321.12 and 47,979,581.52 is: 71,988,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677,146.64 : 187,065,321.12 = 47,979,581.52 : x
  2. Step 2: Convert to fraction form
    124,677,146.64/187,065,321.12 = 47,979,581.52/x
  3. Step 3: Cross multiply
    124,677,146.64x = 187,065,321.12 × 47,979,581.52
  4. Step 4: Simplify right side
    124,677,146.64x = 8,975,315,824,242,019
  5. Step 5: Solve for x
    x = 8,975,315,824,242,019/124,677,146.64
  6. Step 6: Final answer
    x = 71,988,460.32

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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.