Home / 278,271,567.30-417,407,350.95-96,518,745.30

Finding the Fourth Proportional to 278,271,567.30, 417,407,350.95 and 96,518,745.30

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Solution

The fourth proportional to 278,271,567.30, 417,407,350.95 and 96,518,745.30 is: 144,778,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,271,567.30 : 417,407,350.95 = 96,518,745.30 : x
  2. Step 2: Convert to fraction form
    278,271,567.30/417,407,350.95 = 96,518,745.30/x
  3. Step 3: Cross multiply
    278,271,567.30x = 417,407,350.95 × 96,518,745.30
  4. Step 4: Simplify right side
    278,271,567.30x = 40,287,633,792,690,760
  5. Step 5: Solve for x
    x = 40,287,633,792,690,760/278,271,567.30
  6. Step 6: Final answer
    x = 144,778,117.95

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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.