Home / 126,058,127.80-189,087,191.70-89,069,834.20

Finding the Fourth Proportional to 126,058,127.80, 189,087,191.70 and 89,069,834.20

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Solution

The fourth proportional to 126,058,127.80, 189,087,191.70 and 89,069,834.20 is: 133,604,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,058,127.80 : 189,087,191.70 = 89,069,834.20 : x
  2. Step 2: Convert to fraction form
    126,058,127.80/189,087,191.70 = 89,069,834.20/x
  3. Step 3: Cross multiply
    126,058,127.80x = 189,087,191.70 × 89,069,834.20
  4. Step 4: Simplify right side
    126,058,127.80x = 16,841,964,814,062,616
  5. Step 5: Solve for x
    x = 16,841,964,814,062,616/126,058,127.80
  6. Step 6: Final answer
    x = 133,604,751.30

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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.