Home / 185,868,073.36-278,755,754.28-54,684,242.92

Finding the Fourth Proportional to 185,868,073.36, 278,755,754.28 and 54,684,242.92

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Solution

The fourth proportional to 185,868,073.36, 278,755,754.28 and 54,684,242.92 is: 82,012,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868,073.36 : 278,755,754.28 = 54,684,242.92 : x
  2. Step 2: Convert to fraction form
    185,868,073.36/278,755,754.28 = 54,684,242.92/x
  3. Step 3: Cross multiply
    185,868,073.36x = 278,755,754.28 × 54,684,242.92
  4. Step 4: Simplify right side
    185,868,073.36x = 15,243,547,382,395,348
  5. Step 5: Solve for x
    x = 15,243,547,382,395,348/185,868,073.36
  6. Step 6: Final answer
    x = 82,012,726.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.