Home / 85,892,345-118,531,436.10-47,261,177

Finding the Fourth Proportional to 85,892,345, 118,531,436.10 and 47,261,177

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Solution

The fourth proportional to 85,892,345, 118,531,436.10 and 47,261,177 is: 65,220,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,892,345 : 118,531,436.10 = 47,261,177 : x
  2. Step 2: Convert to fraction form
    85,892,345/118,531,436.10 = 47,261,177/x
  3. Step 3: Cross multiply
    85,892,345x = 118,531,436.10 × 47,261,177
  4. Step 4: Simplify right side
    85,892,345x = 5,601,935,181,586,289
  5. Step 5: Solve for x
    x = 5,601,935,181,586,289/85,892,345
  6. Step 6: Final answer
    x = 65,220,424.26

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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.