Home / 48,498,923.80-72,748,385.70-31,280,235.40

Finding the Fourth Proportional to 48,498,923.80, 72,748,385.70 and 31,280,235.40

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Solution

The fourth proportional to 48,498,923.80, 72,748,385.70 and 31,280,235.40 is: 46,920,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498,923.80 : 72,748,385.70 = 31,280,235.40 : x
  2. Step 2: Convert to fraction form
    48,498,923.80/72,748,385.70 = 31,280,235.40/x
  3. Step 3: Cross multiply
    48,498,923.80x = 72,748,385.70 × 31,280,235.40
  4. Step 4: Simplify right side
    48,498,923.80x = 2,275,586,629,665,994
  5. Step 5: Solve for x
    x = 2,275,586,629,665,994/48,498,923.80
  6. Step 6: Final answer
    x = 46,920,353.10

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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.