Home / 65,023,505.12-97,466,981.88-21,877,730.48

Finding the Fourth Proportional to 65,023,505.12, 97,466,981.88 and 21,877,730.48

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Solution

The fourth proportional to 65,023,505.12, 97,466,981.88 and 21,877,730.48 is: 32,793,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023,505.12 : 97,466,981.88 = 21,877,730.48 : x
  2. Step 2: Convert to fraction form
    65,023,505.12/97,466,981.88 = 21,877,730.48/x
  3. Step 3: Cross multiply
    65,023,505.12x = 97,466,981.88 × 21,877,730.48
  4. Step 4: Simplify right side
    65,023,505.12x = 2,132,356,360,269,683.75
  5. Step 5: Solve for x
    x = 2,132,356,360,269,683.75/65,023,505.12
  6. Step 6: Final answer
    x = 32,793,623.73

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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.