Home / 239,481,024.70-359,221,537.05-103,432,128.70

Finding the Fourth Proportional to 239,481,024.70, 359,221,537.05 and 103,432,128.70

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Solution

The fourth proportional to 239,481,024.70, 359,221,537.05 and 103,432,128.70 is: 155,148,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481,024.70 : 359,221,537.05 = 103,432,128.70 : x
  2. Step 2: Convert to fraction form
    239,481,024.70/359,221,537.05 = 103,432,128.70/x
  3. Step 3: Cross multiply
    239,481,024.70x = 359,221,537.05 × 103,432,128.70
  4. Step 4: Simplify right side
    239,481,024.70x = 37,155,048,251,967,424
  5. Step 5: Solve for x
    x = 37,155,048,251,967,424/239,481,024.70
  6. Step 6: Final answer
    x = 155,148,193.05

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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.