Home / 48,387,713.80-72,581,570.70-31,255,630.60

Finding the Fourth Proportional to 48,387,713.80, 72,581,570.70 and 31,255,630.60

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Solution

The fourth proportional to 48,387,713.80, 72,581,570.70 and 31,255,630.60 is: 46,883,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,713.80 : 72,581,570.70 = 31,255,630.60 : x
  2. Step 2: Convert to fraction form
    48,387,713.80/72,581,570.70 = 31,255,630.60/x
  3. Step 3: Cross multiply
    48,387,713.80x = 72,581,570.70 × 31,255,630.60
  4. Step 4: Simplify right side
    48,387,713.80x = 2,268,582,762,166,983.50
  5. Step 5: Solve for x
    x = 2,268,582,762,166,983.50/48,387,713.80
  6. Step 6: Final answer
    x = 46,883,445.90

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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.