Home / 209,952,006.10-314,928,009.15-194,646,505.30

Finding the Fourth Proportional to 209,952,006.10, 314,928,009.15 and 194,646,505.30

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Solution

The fourth proportional to 209,952,006.10, 314,928,009.15 and 194,646,505.30 is: 291,969,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,006.10 : 314,928,009.15 = 194,646,505.30 : x
  2. Step 2: Convert to fraction form
    209,952,006.10/314,928,009.15 = 194,646,505.30/x
  3. Step 3: Cross multiply
    209,952,006.10x = 314,928,009.15 × 194,646,505.30
  4. Step 4: Simplify right side
    209,952,006.10x = 61,299,636,402,133,920
  5. Step 5: Solve for x
    x = 61,299,636,402,133,920/209,952,006.10
  6. Step 6: Final answer
    x = 291,969,757.95

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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.