Home / 159,162,719.72-219,642,303.41-89,547,934.52

Finding the Fourth Proportional to 159,162,719.72, 219,642,303.41 and 89,547,934.52

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Solution

The fourth proportional to 159,162,719.72, 219,642,303.41 and 89,547,934.52 is: 123,574,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,719.72 : 219,642,303.41 = 89,547,934.52 : x
  2. Step 2: Convert to fraction form
    159,162,719.72/219,642,303.41 = 89,547,934.52/x
  3. Step 3: Cross multiply
    159,162,719.72x = 219,642,303.41 × 89,547,934.52
  4. Step 4: Simplify right side
    159,162,719.72x = 19,668,514,602,034,700
  5. Step 5: Solve for x
    x = 19,668,514,602,034,700/159,162,719.72
  6. Step 6: Final answer
    x = 123,574,883.85

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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.