Home / 87,572,111.57-120,844,330.20-48,411,552.81

Finding the Fourth Proportional to 87,572,111.57, 120,844,330.20 and 48,411,552.81

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Solution

The fourth proportional to 87,572,111.57, 120,844,330.20 and 48,411,552.81 is: 66,805,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,572,111.57 : 120,844,330.20 = 48,411,552.81 : x
  2. Step 2: Convert to fraction form
    87,572,111.57/120,844,330.20 = 48,411,552.81/x
  3. Step 3: Cross multiply
    87,572,111.57x = 120,844,330.20 × 48,411,552.81
  4. Step 4: Simplify right side
    87,572,111.57x = 5,850,261,673,266,378
  5. Step 5: Solve for x
    x = 5,850,261,673,266,378/87,572,111.57
  6. Step 6: Final answer
    x = 66,805,077.20

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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.