Home / 126,070,457.40-188,928,539.10-100,206,995.40

Finding the Fourth Proportional to 126,070,457.40, 188,928,539.10 and 100,206,995.40

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Solution

The fourth proportional to 126,070,457.40, 188,928,539.10 and 100,206,995.40 is: 150,169,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,457.40 : 188,928,539.10 = 100,206,995.40 : x
  2. Step 2: Convert to fraction form
    126,070,457.40/188,928,539.10 = 100,206,995.40/x
  3. Step 3: Cross multiply
    126,070,457.40x = 188,928,539.10 × 100,206,995.40
  4. Step 4: Simplify right side
    126,070,457.40x = 18,931,961,248,522,420
  5. Step 5: Solve for x
    x = 18,931,961,248,522,420/126,070,457.40
  6. Step 6: Final answer
    x = 150,169,687.96

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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.