Home / 143,147,710.14-197,546,451.84-79,574,019

Finding the Fourth Proportional to 143,147,710.14, 197,546,451.84 and 79,574,019

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Solution

The fourth proportional to 143,147,710.14, 197,546,451.84 and 79,574,019 is: 109,813,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147,710.14 : 197,546,451.84 = 79,574,019 : x
  2. Step 2: Convert to fraction form
    143,147,710.14/197,546,451.84 = 79,574,019/x
  3. Step 3: Cross multiply
    143,147,710.14x = 197,546,451.84 × 79,574,019
  4. Step 4: Simplify right side
    143,147,710.14x = 15,719,565,112,098,746
  5. Step 5: Solve for x
    x = 15,719,565,112,098,746/143,147,710.14
  6. Step 6: Final answer
    x = 109,813,598.11

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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.