Home / 282,992,544.38-390,547,549.68-171,493,134.86

Finding the Fourth Proportional to 282,992,544.38, 390,547,549.68 and 171,493,134.86

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Solution

The fourth proportional to 282,992,544.38, 390,547,549.68 and 171,493,134.86 is: 236,671,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,992,544.38 : 390,547,549.68 = 171,493,134.86 : x
  2. Step 2: Convert to fraction form
    282,992,544.38/390,547,549.68 = 171,493,134.86/x
  3. Step 3: Cross multiply
    282,992,544.38x = 390,547,549.68 × 171,493,134.86
  4. Step 4: Simplify right side
    282,992,544.38x = 66,976,223,606,514,800
  5. Step 5: Solve for x
    x = 66,976,223,606,514,800/282,992,544.38
  6. Step 6: Final answer
    x = 236,671,336.18

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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.