Home / 52,261,670.76-72,125,144.70-31,354,490.20

Finding the Fourth Proportional to 52,261,670.76, 72,125,144.70 and 31,354,490.20

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Solution

The fourth proportional to 52,261,670.76, 72,125,144.70 and 31,354,490.20 is: 43,271,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261,670.76 : 72,125,144.70 = 31,354,490.20 : x
  2. Step 2: Convert to fraction form
    52,261,670.76/72,125,144.70 = 31,354,490.20/x
  3. Step 3: Cross multiply
    52,261,670.76x = 72,125,144.70 × 31,354,490.20
  4. Step 4: Simplify right side
    52,261,670.76x = 2,261,447,142,669,732
  5. Step 5: Solve for x
    x = 2,261,447,142,669,732/52,261,670.76
  6. Step 6: Final answer
    x = 43,271,619.71

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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.