Home / 159,162,716.71-219,642,299.27-89,547,931.52

Finding the Fourth Proportional to 159,162,716.71, 219,642,299.27 and 89,547,931.52

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Solution

The fourth proportional to 159,162,716.71, 219,642,299.27 and 89,547,931.52 is: 123,574,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,716.71 : 219,642,299.27 = 89,547,931.52 : x
  2. Step 2: Convert to fraction form
    159,162,716.71/219,642,299.27 = 89,547,931.52/x
  3. Step 3: Cross multiply
    159,162,716.71x = 219,642,299.27 × 89,547,931.52
  4. Step 4: Simplify right side
    159,162,716.71x = 19,668,513,573,538,820
  5. Step 5: Solve for x
    x = 19,668,513,573,538,820/159,162,716.71
  6. Step 6: Final answer
    x = 123,574,879.72

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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.