Home / 206,864,486.10-310,296,729.15-91,726,809.30

Finding the Fourth Proportional to 206,864,486.10, 310,296,729.15 and 91,726,809.30

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Solution

The fourth proportional to 206,864,486.10, 310,296,729.15 and 91,726,809.30 is: 137,590,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,486.10 : 310,296,729.15 = 91,726,809.30 : x
  2. Step 2: Convert to fraction form
    206,864,486.10/310,296,729.15 = 91,726,809.30/x
  3. Step 3: Cross multiply
    206,864,486.10x = 310,296,729.15 × 91,726,809.30
  4. Step 4: Simplify right side
    206,864,486.10x = 28,462,528,901,155,796
  5. Step 5: Solve for x
    x = 28,462,528,901,155,796/206,864,486.10
  6. Step 6: Final answer
    x = 137,590,213.95

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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.