Home / 96,711,379.80-145,067,069.70-91,038,010.20

Finding the Fourth Proportional to 96,711,379.80, 145,067,069.70 and 91,038,010.20

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Solution

The fourth proportional to 96,711,379.80, 145,067,069.70 and 91,038,010.20 is: 136,557,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,711,379.80 : 145,067,069.70 = 91,038,010.20 : x
  2. Step 2: Convert to fraction form
    96,711,379.80/145,067,069.70 = 91,038,010.20/x
  3. Step 3: Cross multiply
    96,711,379.80x = 145,067,069.70 × 91,038,010.20
  4. Step 4: Simplify right side
    96,711,379.80x = 13,206,617,371,032,710
  5. Step 5: Solve for x
    x = 13,206,617,371,032,710/96,711,379.80
  6. Step 6: Final answer
    x = 136,557,015.30

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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.