Home / 206,681,146.80-310,021,720.20-185,636,083.20

Finding the Fourth Proportional to 206,681,146.80, 310,021,720.20 and 185,636,083.20

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Solution

The fourth proportional to 206,681,146.80, 310,021,720.20 and 185,636,083.20 is: 278,454,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,681,146.80 : 310,021,720.20 = 185,636,083.20 : x
  2. Step 2: Convert to fraction form
    206,681,146.80/310,021,720.20 = 185,636,083.20/x
  3. Step 3: Cross multiply
    206,681,146.80x = 310,021,720.20 × 185,636,083.20
  4. Step 4: Simplify right side
    206,681,146.80x = 57,551,217,844,854,312
  5. Step 5: Solve for x
    x = 57,551,217,844,854,312/206,681,146.80
  6. Step 6: Final answer
    x = 278,454,124.80

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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.