Home / 208,620,082.48-287,896,825.92-130,349,025.52

Finding the Fourth Proportional to 208,620,082.48, 287,896,825.92 and 130,349,025.52

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Solution

The fourth proportional to 208,620,082.48, 287,896,825.92 and 130,349,025.52 is: 179,882,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,620,082.48 : 287,896,825.92 = 130,349,025.52 : x
  2. Step 2: Convert to fraction form
    208,620,082.48/287,896,825.92 = 130,349,025.52/x
  3. Step 3: Cross multiply
    208,620,082.48x = 287,896,825.92 × 130,349,025.52
  4. Step 4: Simplify right side
    208,620,082.48x = 37,527,070,708,973,080
  5. Step 5: Solve for x
    x = 37,527,070,708,973,080/208,620,082.48
  6. Step 6: Final answer
    x = 179,882,350.07

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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.