Home / 48,451,143.48-66,845,693.93-31,057,079.55

Finding the Fourth Proportional to 48,451,143.48, 66,845,693.93 and 31,057,079.55

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Solution

The fourth proportional to 48,451,143.48, 66,845,693.93 and 31,057,079.55 is: 42,847,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,451,143.48 : 66,845,693.93 = 31,057,079.55 : x
  2. Step 2: Convert to fraction form
    48,451,143.48/66,845,693.93 = 31,057,079.55/x
  3. Step 3: Cross multiply
    48,451,143.48x = 66,845,693.93 × 31,057,079.55
  4. Step 4: Simplify right side
    48,451,143.48x = 2,076,032,033,803,676.75
  5. Step 5: Solve for x
    x = 2,076,032,033,803,676.75/48,451,143.48
  6. Step 6: Final answer
    x = 42,847,947.12

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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.