Home / 273,943,047.34-411,055,845.90-128,391,395.86

Finding the Fourth Proportional to 273,943,047.34, 411,055,845.90 and 128,391,395.86

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Solution

The fourth proportional to 273,943,047.34, 411,055,845.90 and 128,391,395.86 is: 192,653,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,943,047.34 : 411,055,845.90 = 128,391,395.86 : x
  2. Step 2: Convert to fraction form
    273,943,047.34/411,055,845.90 = 128,391,395.86/x
  3. Step 3: Cross multiply
    273,943,047.34x = 411,055,845.90 × 128,391,395.86
  4. Step 4: Simplify right side
    273,943,047.34x = 52,776,033,831,514,056
  5. Step 5: Solve for x
    x = 52,776,033,831,514,056/273,943,047.34
  6. Step 6: Final answer
    x = 192,653,306.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.