Home / 48,451,142.98-66,845,693.23-31,057,079.05

Finding the Fourth Proportional to 48,451,142.98, 66,845,693.23 and 31,057,079.05

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Solution

The fourth proportional to 48,451,142.98, 66,845,693.23 and 31,057,079.05 is: 42,847,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,451,142.98 : 66,845,693.23 = 31,057,079.05 : x
  2. Step 2: Convert to fraction form
    48,451,142.98/66,845,693.23 = 31,057,079.05/x
  3. Step 3: Cross multiply
    48,451,142.98x = 66,845,693.23 × 31,057,079.05
  4. Step 4: Simplify right side
    48,451,142.98x = 2,076,031,978,796,159.75
  5. Step 5: Solve for x
    x = 2,076,031,978,796,159.75/48,451,142.98
  6. Step 6: Final answer
    x = 42,847,946.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.