Home / 209,952,006.10-314,928,009.15-66,344,838.10

Finding the Fourth Proportional to 209,952,006.10, 314,928,009.15 and 66,344,838.10

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Solution

The fourth proportional to 209,952,006.10, 314,928,009.15 and 66,344,838.10 is: 99,517,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,006.10 : 314,928,009.15 = 66,344,838.10 : x
  2. Step 2: Convert to fraction form
    209,952,006.10/314,928,009.15 = 66,344,838.10/x
  3. Step 3: Cross multiply
    209,952,006.10x = 314,928,009.15 × 66,344,838.10
  4. Step 4: Simplify right side
    209,952,006.10x = 20,893,847,780,212,068
  5. Step 5: Solve for x
    x = 20,893,847,780,212,068/209,952,006.10
  6. Step 6: Final answer
    x = 99,517,257.15

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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.