Home / 159,162,719.59-219,642,303.23-89,547,934.39

Finding the Fourth Proportional to 159,162,719.59, 219,642,303.23 and 89,547,934.39

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Solution

The fourth proportional to 159,162,719.59, 219,642,303.23 and 89,547,934.39 is: 123,574,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,719.59 : 219,642,303.23 = 89,547,934.39 : x
  2. Step 2: Convert to fraction form
    159,162,719.59/219,642,303.23 = 89,547,934.39/x
  3. Step 3: Cross multiply
    159,162,719.59x = 219,642,303.23 × 89,547,934.39
  4. Step 4: Simplify right side
    159,162,719.59x = 19,668,514,559,132,392
  5. Step 5: Solve for x
    x = 19,668,514,559,132,392/159,162,719.59
  6. Step 6: Final answer
    x = 123,574,883.68

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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.