Home / 143,532,002.80-215,298,004.20-82,058,057.20

Finding the Fourth Proportional to 143,532,002.80, 215,298,004.20 and 82,058,057.20

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Solution

The fourth proportional to 143,532,002.80, 215,298,004.20 and 82,058,057.20 is: 123,087,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532,002.80 : 215,298,004.20 = 82,058,057.20 : x
  2. Step 2: Convert to fraction form
    143,532,002.80/215,298,004.20 = 82,058,057.20/x
  3. Step 3: Cross multiply
    143,532,002.80x = 215,298,004.20 × 82,058,057.20
  4. Step 4: Simplify right side
    143,532,002.80x = 17,666,935,943,689,440
  5. Step 5: Solve for x
    x = 17,666,935,943,689,440/143,532,002.80
  6. Step 6: Final answer
    x = 123,087,085.80

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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.