Home / 142,543,849-196,710,513.22-77,353,753

Finding the Fourth Proportional to 142,543,849, 196,710,513.22 and 77,353,753

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Solution

The fourth proportional to 142,543,849, 196,710,513.22 and 77,353,753 is: 106,748,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,543,849 : 196,710,513.22 = 77,353,753 : x
  2. Step 2: Convert to fraction form
    142,543,849/196,710,513.22 = 77,353,753/x
  3. Step 3: Cross multiply
    142,543,849x = 196,710,513.22 × 77,353,753
  4. Step 4: Simplify right side
    142,543,849x = 15,216,296,452,123,114
  5. Step 5: Solve for x
    x = 15,216,296,452,123,114/142,543,849
  6. Step 6: Final answer
    x = 106,748,180.01

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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.