Home / 159,162,719.47-219,642,303.06-89,547,934.27

Finding the Fourth Proportional to 159,162,719.47, 219,642,303.06 and 89,547,934.27

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Solution

The fourth proportional to 159,162,719.47, 219,642,303.06 and 89,547,934.27 is: 123,574,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,719.47 : 219,642,303.06 = 89,547,934.27 : x
  2. Step 2: Convert to fraction form
    159,162,719.47/219,642,303.06 = 89,547,934.27/x
  3. Step 3: Cross multiply
    159,162,719.47x = 219,642,303.06 × 89,547,934.27
  4. Step 4: Simplify right side
    159,162,719.47x = 19,668,514,516,230,088
  5. Step 5: Solve for x
    x = 19,668,514,516,230,088/159,162,719.47
  6. Step 6: Final answer
    x = 123,574,883.51

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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.