Home / 121,418,981.10-182,128,471.65-30,542,570.10

Finding the Fourth Proportional to 121,418,981.10, 182,128,471.65 and 30,542,570.10

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Solution

The fourth proportional to 121,418,981.10, 182,128,471.65 and 30,542,570.10 is: 45,813,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,418,981.10 : 182,128,471.65 = 30,542,570.10 : x
  2. Step 2: Convert to fraction form
    121,418,981.10/182,128,471.65 = 30,542,570.10/x
  3. Step 3: Cross multiply
    121,418,981.10x = 182,128,471.65 × 30,542,570.10
  4. Step 4: Simplify right side
    121,418,981.10x = 5,562,671,612,575,988
  5. Step 5: Solve for x
    x = 5,562,671,612,575,988/121,418,981.10
  6. Step 6: Final answer
    x = 45,813,855.15

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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.