Home / 278,205,120.80-417,355,781.52-93,973,938.56

Finding the Fourth Proportional to 278,205,120.80, 417,355,781.52 and 93,973,938.56

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Solution

The fourth proportional to 278,205,120.80, 417,355,781.52 and 93,973,938.56 is: 140,977,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,205,120.80 : 417,355,781.52 = 93,973,938.56 : x
  2. Step 2: Convert to fraction form
    278,205,120.80/417,355,781.52 = 93,973,938.56/x
  3. Step 3: Cross multiply
    278,205,120.80x = 417,355,781.52 × 93,973,938.56
  4. Step 4: Simplify right side
    278,205,120.80x = 39,220,566,570,221,264
  5. Step 5: Solve for x
    x = 39,220,566,570,221,264/278,205,120.80
  6. Step 6: Final answer
    x = 140,977,155.48

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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.