Home / 152,053,503.80-209,838,261.83-85,972,583.29

Finding the Fourth Proportional to 152,053,503.80, 209,838,261.83 and 85,972,583.29

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Solution

The fourth proportional to 152,053,503.80, 209,838,261.83 and 85,972,583.29 is: 118,644,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,503.80 : 209,838,261.83 = 85,972,583.29 : x
  2. Step 2: Convert to fraction form
    152,053,503.80/209,838,261.83 = 85,972,583.29/x
  3. Step 3: Cross multiply
    152,053,503.80x = 209,838,261.83 × 85,972,583.29
  4. Step 4: Simplify right side
    152,053,503.80x = 18,040,337,441,766,964
  5. Step 5: Solve for x
    x = 18,040,337,441,766,964/152,053,503.80
  6. Step 6: Final answer
    x = 118,644,667.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.