Home / 412,564,718.88-618,779,807.31-121,363,738.85

Finding the Fourth Proportional to 412,564,718.88, 618,779,807.31 and 121,363,738.85

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Solution

The fourth proportional to 412,564,718.88, 618,779,807.31 and 121,363,738.85 is: 182,025,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,564,718.88 : 618,779,807.31 = 121,363,738.85 : x
  2. Step 2: Convert to fraction form
    412,564,718.88/618,779,807.31 = 121,363,738.85/x
  3. Step 3: Cross multiply
    412,564,718.88x = 618,779,807.31 × 121,363,738.85
  4. Step 4: Simplify right side
    412,564,718.88x = 75,097,430,940,024,144
  5. Step 5: Solve for x
    x = 75,097,430,940,024,144/412,564,718.88
  6. Step 6: Final answer
    x = 182,025,819.23

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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.