Home / 72,931,435.04-109,397,337.84-29,800,638.48

Finding the Fourth Proportional to 72,931,435.04, 109,397,337.84 and 29,800,638.48

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Solution

The fourth proportional to 72,931,435.04, 109,397,337.84 and 29,800,638.48 is: 44,701,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931,435.04 : 109,397,337.84 = 29,800,638.48 : x
  2. Step 2: Convert to fraction form
    72,931,435.04/109,397,337.84 = 29,800,638.48/x
  3. Step 3: Cross multiply
    72,931,435.04x = 109,397,337.84 × 29,800,638.48
  4. Step 4: Simplify right side
    72,931,435.04x = 3,260,110,515,644,264
  5. Step 5: Solve for x
    x = 3,260,110,515,644,264/72,931,435.04
  6. Step 6: Final answer
    x = 44,701,033.43

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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.