Home / 209,952,006.60-314,928,009.90-66,344,838.60

Finding the Fourth Proportional to 209,952,006.60, 314,928,009.90 and 66,344,838.60

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Solution

The fourth proportional to 209,952,006.60, 314,928,009.90 and 66,344,838.60 is: 99,517,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,006.60 : 314,928,009.90 = 66,344,838.60 : x
  2. Step 2: Convert to fraction form
    209,952,006.60/314,928,009.90 = 66,344,838.60/x
  3. Step 3: Cross multiply
    209,952,006.60x = 314,928,009.90 × 66,344,838.60
  4. Step 4: Simplify right side
    209,952,006.60x = 20,893,847,987,434,700
  5. Step 5: Solve for x
    x = 20,893,847,987,434,700/209,952,006.60
  6. Step 6: Final answer
    x = 99,517,257.90

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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.