Home / 159,162,718.22-219,642,301.34-89,547,933.02

Finding the Fourth Proportional to 159,162,718.22, 219,642,301.34 and 89,547,933.02

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Solution

The fourth proportional to 159,162,718.22, 219,642,301.34 and 89,547,933.02 is: 123,574,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,718.22 : 219,642,301.34 = 89,547,933.02 : x
  2. Step 2: Convert to fraction form
    159,162,718.22/219,642,301.34 = 89,547,933.02/x
  3. Step 3: Cross multiply
    159,162,718.22x = 219,642,301.34 × 89,547,933.02
  4. Step 4: Simplify right side
    159,162,718.22x = 19,668,514,087,207,024
  5. Step 5: Solve for x
    x = 19,668,514,087,207,024/159,162,718.22
  6. Step 6: Final answer
    x = 123,574,881.78

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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.