Home / 389,970,671.85-584,950,102.92-94,868,570.43

Finding the Fourth Proportional to 389,970,671.85, 584,950,102.92 and 94,868,570.43

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Solution

The fourth proportional to 389,970,671.85, 584,950,102.92 and 94,868,570.43 is: 142,301,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,970,671.85 : 584,950,102.92 = 94,868,570.43 : x
  2. Step 2: Convert to fraction form
    389,970,671.85/584,950,102.92 = 94,868,570.43/x
  3. Step 3: Cross multiply
    389,970,671.85x = 584,950,102.92 × 94,868,570.43
  4. Step 4: Simplify right side
    389,970,671.85x = 55,493,380,036,901,768
  5. Step 5: Solve for x
    x = 55,493,380,036,901,768/389,970,671.85
  6. Step 6: Final answer
    x = 142,301,419.16

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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.