Home / 155,524,616.72-214,630,487.16-89,445,159.80

Finding the Fourth Proportional to 155,524,616.72, 214,630,487.16 and 89,445,159.80

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Solution

The fourth proportional to 155,524,616.72, 214,630,487.16 and 89,445,159.80 is: 123,438,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,524,616.72 : 214,630,487.16 = 89,445,159.80 : x
  2. Step 2: Convert to fraction form
    155,524,616.72/214,630,487.16 = 89,445,159.80/x
  3. Step 3: Cross multiply
    155,524,616.72x = 214,630,487.16 × 89,445,159.80
  4. Step 4: Simplify right side
    155,524,616.72x = 19,197,658,221,978,048
  5. Step 5: Solve for x
    x = 19,197,658,221,978,048/155,524,616.72
  6. Step 6: Final answer
    x = 123,438,068.05

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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.