Home / 86,894,301.20-130,358,947.80-25,483,341.20

Finding the Fourth Proportional to 86,894,301.20, 130,358,947.80 and 25,483,341.20

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Solution

The fourth proportional to 86,894,301.20, 130,358,947.80 and 25,483,341.20 is: 38,230,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894,301.20 : 130,358,947.80 = 25,483,341.20 : x
  2. Step 2: Convert to fraction form
    86,894,301.20/130,358,947.80 = 25,483,341.20/x
  3. Step 3: Cross multiply
    86,894,301.20x = 130,358,947.80 × 25,483,341.20
  4. Step 4: Simplify right side
    86,894,301.20x = 3,321,981,545,260,389
  5. Step 5: Solve for x
    x = 3,321,981,545,260,389/86,894,301.20
  6. Step 6: Final answer
    x = 38,230,142.82

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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.