Home / 81,057,624.12-121,585,673.46-35,032,035.48

Finding the Fourth Proportional to 81,057,624.12, 121,585,673.46 and 35,032,035.48

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Solution

The fourth proportional to 81,057,624.12, 121,585,673.46 and 35,032,035.48 is: 52,547,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057,624.12 : 121,585,673.46 = 35,032,035.48 : x
  2. Step 2: Convert to fraction form
    81,057,624.12/121,585,673.46 = 35,032,035.48/x
  3. Step 3: Cross multiply
    81,057,624.12x = 121,585,673.46 × 35,032,035.48
  4. Step 4: Simplify right side
    81,057,624.12x = 4,259,393,626,510,413.50
  5. Step 5: Solve for x
    x = 4,259,393,626,510,413.50/81,057,624.12
  6. Step 6: Final answer
    x = 52,547,723.58

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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.