Home / 81,420,641.04-122,191,506.63-32,898,916.74

Finding the Fourth Proportional to 81,420,641.04, 122,191,506.63 and 32,898,916.74

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Solution

The fourth proportional to 81,420,641.04, 122,191,506.63 and 32,898,916.74 is: 49,372,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,420,641.04 : 122,191,506.63 = 32,898,916.74 : x
  2. Step 2: Convert to fraction form
    81,420,641.04/122,191,506.63 = 32,898,916.74/x
  3. Step 3: Cross multiply
    81,420,641.04x = 122,191,506.63 × 32,898,916.74
  4. Step 4: Simplify right side
    81,420,641.04x = 4,019,968,202,955,527.50
  5. Step 5: Solve for x
    x = 4,019,968,202,955,527.50/81,420,641.04
  6. Step 6: Final answer
    x = 49,372,839.02

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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.