Home / 89,700,438.30-134,613,643.05-38,619,116.70

Finding the Fourth Proportional to 89,700,438.30, 134,613,643.05 and 38,619,116.70

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Solution

The fourth proportional to 89,700,438.30, 134,613,643.05 and 38,619,116.70 is: 57,955,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,700,438.30 : 134,613,643.05 = 38,619,116.70 : x
  2. Step 2: Convert to fraction form
    89,700,438.30/134,613,643.05 = 38,619,116.70/x
  3. Step 3: Cross multiply
    89,700,438.30x = 134,613,643.05 × 38,619,116.70
  4. Step 4: Simplify right side
    89,700,438.30x = 5,198,659,990,360,095
  5. Step 5: Solve for x
    x = 5,198,659,990,360,095/89,700,438.30
  6. Step 6: Final answer
    x = 57,955,792.51

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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.