Home / 186,615,729.29-257,535,891.65-101,847,489.82

Finding the Fourth Proportional to 186,615,729.29, 257,535,891.65 and 101,847,489.82

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Solution

The fourth proportional to 186,615,729.29, 257,535,891.65 and 101,847,489.82 is: 140,552,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,615,729.29 : 257,535,891.65 = 101,847,489.82 : x
  2. Step 2: Convert to fraction form
    186,615,729.29/257,535,891.65 = 101,847,489.82/x
  3. Step 3: Cross multiply
    186,615,729.29x = 257,535,891.65 × 101,847,489.82
  4. Step 4: Simplify right side
    186,615,729.29x = 26,229,384,102,718,776
  5. Step 5: Solve for x
    x = 26,229,384,102,718,776/186,615,729.29
  6. Step 6: Final answer
    x = 140,552,911.60

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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.