Home / 106,162,354.35-146,428,581.87-70,862,361.75

Finding the Fourth Proportional to 106,162,354.35, 146,428,581.87 and 70,862,361.75

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Solution

The fourth proportional to 106,162,354.35, 146,428,581.87 and 70,862,361.75 is: 97,739,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,162,354.35 : 146,428,581.87 = 70,862,361.75 : x
  2. Step 2: Convert to fraction form
    106,162,354.35/146,428,581.87 = 70,862,361.75/x
  3. Step 3: Cross multiply
    106,162,354.35x = 146,428,581.87 × 70,862,361.75
  4. Step 4: Simplify right side
    106,162,354.35x = 10,376,275,139,011,432
  5. Step 5: Solve for x
    x = 10,376,275,139,011,432/106,162,354.35
  6. Step 6: Final answer
    x = 97,739,685.62

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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.