Home / 121,214,196.80-167,275,591.10-65,459,614.10

Finding the Fourth Proportional to 121,214,196.80, 167,275,591.10 and 65,459,614.10

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Solution

The fourth proportional to 121,214,196.80, 167,275,591.10 and 65,459,614.10 is: 90,334,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214,196.80 : 167,275,591.10 = 65,459,614.10 : x
  2. Step 2: Convert to fraction form
    121,214,196.80/167,275,591.10 = 65,459,614.10/x
  3. Step 3: Cross multiply
    121,214,196.80x = 167,275,591.10 × 65,459,614.10
  4. Step 4: Simplify right side
    121,214,196.80x = 10,949,795,641,440,752
  5. Step 5: Solve for x
    x = 10,949,795,641,440,752/121,214,196.80
  6. Step 6: Final answer
    x = 90,334,267.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.