Home / 257,517,437.60-386,344,585.20-111,888,509.60

Finding the Fourth Proportional to 257,517,437.60, 386,344,585.20 and 111,888,509.60

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Solution

The fourth proportional to 257,517,437.60, 386,344,585.20 and 111,888,509.60 is: 167,862,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,517,437.60 : 386,344,585.20 = 111,888,509.60 : x
  2. Step 2: Convert to fraction form
    257,517,437.60/386,344,585.20 = 111,888,509.60/x
  3. Step 3: Cross multiply
    257,517,437.60x = 386,344,585.20 × 111,888,509.60
  4. Step 4: Simplify right side
    257,517,437.60x = 43,227,519,830,058,216
  5. Step 5: Solve for x
    x = 43,227,519,830,058,216/257,517,437.60
  6. Step 6: Final answer
    x = 167,862,495.97

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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.