Home / 159,162,719.67-219,642,303.33-89,547,934.48

Finding the Fourth Proportional to 159,162,719.67, 219,642,303.33 and 89,547,934.48

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Solution

The fourth proportional to 159,162,719.67, 219,642,303.33 and 89,547,934.48 is: 123,574,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,719.67 : 219,642,303.33 = 89,547,934.48 : x
  2. Step 2: Convert to fraction form
    159,162,719.67/219,642,303.33 = 89,547,934.48/x
  3. Step 3: Cross multiply
    159,162,719.67x = 219,642,303.33 × 89,547,934.48
  4. Step 4: Simplify right side
    159,162,719.67x = 19,668,514,587,631,128
  5. Step 5: Solve for x
    x = 19,668,514,587,631,128/159,162,719.67
  6. Step 6: Final answer
    x = 123,574,883.79

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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.