Home / 81,057,623.12-121,585,671.96-35,032,034.48

Finding the Fourth Proportional to 81,057,623.12, 121,585,671.96 and 35,032,034.48

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Solution

The fourth proportional to 81,057,623.12, 121,585,671.96 and 35,032,034.48 is: 52,547,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057,623.12 : 121,585,671.96 = 35,032,034.48 : x
  2. Step 2: Convert to fraction form
    81,057,623.12/121,585,671.96 = 35,032,034.48/x
  3. Step 3: Cross multiply
    81,057,623.12x = 121,585,671.96 × 35,032,034.48
  4. Step 4: Simplify right side
    81,057,623.12x = 4,259,393,452,376,688.50
  5. Step 5: Solve for x
    x = 4,259,393,452,376,688.50/81,057,623.12
  6. Step 6: Final answer
    x = 52,547,722.08

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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.