Home / 70,061,290.80-96,684,545.88-39,121,442.16

Finding the Fourth Proportional to 70,061,290.80, 96,684,545.88 and 39,121,442.16

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Solution

The fourth proportional to 70,061,290.80, 96,684,545.88 and 39,121,442.16 is: 53,987,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,061,290.80 : 96,684,545.88 = 39,121,442.16 : x
  2. Step 2: Convert to fraction form
    70,061,290.80/96,684,545.88 = 39,121,442.16/x
  3. Step 3: Cross multiply
    70,061,290.80x = 96,684,545.88 × 39,121,442.16
  4. Step 4: Simplify right side
    70,061,290.80x = 3,782,438,869,410,286
  5. Step 5: Solve for x
    x = 3,782,438,869,410,286/70,061,290.80
  6. Step 6: Final answer
    x = 53,987,570.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.