Home / 245,589,323.40-368,383,985.10-99,947,917.35

Finding the Fourth Proportional to 245,589,323.40, 368,383,985.10 and 99,947,917.35

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Solution

The fourth proportional to 245,589,323.40, 368,383,985.10 and 99,947,917.35 is: 149,921,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,589,323.40 : 368,383,985.10 = 99,947,917.35 : x
  2. Step 2: Convert to fraction form
    245,589,323.40/368,383,985.10 = 99,947,917.35/x
  3. Step 3: Cross multiply
    245,589,323.40x = 368,383,985.10 × 99,947,917.35
  4. Step 4: Simplify right side
    245,589,323.40x = 36,819,212,095,838,432
  5. Step 5: Solve for x
    x = 36,819,212,095,838,432/245,589,323.40
  6. Step 6: Final answer
    x = 149,921,876.03

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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.