Home / 206,972,800.40-310,459,200.60-196,895,104.40

Finding the Fourth Proportional to 206,972,800.40, 310,459,200.60 and 196,895,104.40

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Solution

The fourth proportional to 206,972,800.40, 310,459,200.60 and 196,895,104.40 is: 295,342,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972,800.40 : 310,459,200.60 = 196,895,104.40 : x
  2. Step 2: Convert to fraction form
    206,972,800.40/310,459,200.60 = 196,895,104.40/x
  3. Step 3: Cross multiply
    206,972,800.40x = 310,459,200.60 × 196,895,104.40
  4. Step 4: Simplify right side
    206,972,800.40x = 61,127,896,714,077,552
  5. Step 5: Solve for x
    x = 61,127,896,714,077,552/206,972,800.40
  6. Step 6: Final answer
    x = 295,342,656.60

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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.