Home / 239,481,036.70-359,221,555.05-103,432,140.70

Finding the Fourth Proportional to 239,481,036.70, 359,221,555.05 and 103,432,140.70

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Solution

The fourth proportional to 239,481,036.70, 359,221,555.05 and 103,432,140.70 is: 155,148,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481,036.70 : 359,221,555.05 = 103,432,140.70 : x
  2. Step 2: Convert to fraction form
    239,481,036.70/359,221,555.05 = 103,432,140.70/x
  3. Step 3: Cross multiply
    239,481,036.70x = 359,221,555.05 × 103,432,140.70
  4. Step 4: Simplify right side
    239,481,036.70x = 37,155,054,424,404,400
  5. Step 5: Solve for x
    x = 37,155,054,424,404,400/239,481,036.70
  6. Step 6: Final answer
    x = 155,148,211.05

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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.