Home / 159,162,717.71-219,642,300.65-89,547,932.52

Finding the Fourth Proportional to 159,162,717.71, 219,642,300.65 and 89,547,932.52

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Solution

The fourth proportional to 159,162,717.71, 219,642,300.65 and 89,547,932.52 is: 123,574,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,717.71 : 219,642,300.65 = 89,547,932.52 : x
  2. Step 2: Convert to fraction form
    159,162,717.71/219,642,300.65 = 89,547,932.52/x
  3. Step 3: Cross multiply
    159,162,717.71x = 219,642,300.65 × 89,547,932.52
  4. Step 4: Simplify right side
    159,162,717.71x = 19,668,513,917,143,752
  5. Step 5: Solve for x
    x = 19,668,513,917,143,752/159,162,717.71
  6. Step 6: Final answer
    x = 123,574,881.10

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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.