Home / 239,481,039.70-359,221,559.55-103,432,143.70

Finding the Fourth Proportional to 239,481,039.70, 359,221,559.55 and 103,432,143.70

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Solution

The fourth proportional to 239,481,039.70, 359,221,559.55 and 103,432,143.70 is: 155,148,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481,039.70 : 359,221,559.55 = 103,432,143.70 : x
  2. Step 2: Convert to fraction form
    239,481,039.70/359,221,559.55 = 103,432,143.70/x
  3. Step 3: Cross multiply
    239,481,039.70x = 359,221,559.55 × 103,432,143.70
  4. Step 4: Simplify right side
    239,481,039.70x = 37,155,055,967,513,712
  5. Step 5: Solve for x
    x = 37,155,055,967,513,712/239,481,039.70
  6. Step 6: Final answer
    x = 155,148,215.55

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1.5x scale

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.