Home / 70,120,613.95-105,192,223.16-21,598,445.18

Finding the Fourth Proportional to 70,120,613.95, 105,192,223.16 and 21,598,445.18

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Solution

The fourth proportional to 70,120,613.95, 105,192,223.16 and 21,598,445.18 is: 32,401,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120,613.95 : 105,192,223.16 = 21,598,445.18 : x
  2. Step 2: Convert to fraction form
    70,120,613.95/105,192,223.16 = 21,598,445.18/x
  3. Step 3: Cross multiply
    70,120,613.95x = 105,192,223.16 × 21,598,445.18
  4. Step 4: Simplify right side
    70,120,613.95x = 2,271,988,464,846,868.50
  5. Step 5: Solve for x
    x = 2,271,988,464,846,868.50/70,120,613.95
  6. Step 6: Final answer
    x = 32,401,149.06

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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.