Home / 165,156,344.61-227,930,278.16-90,830,002.80

Finding the Fourth Proportional to 165,156,344.61, 227,930,278.16 and 90,830,002.80

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Solution

The fourth proportional to 165,156,344.61, 227,930,278.16 and 90,830,002.80 is: 125,353,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,156,344.61 : 227,930,278.16 = 90,830,002.80 : x
  2. Step 2: Convert to fraction form
    165,156,344.61/227,930,278.16 = 90,830,002.80/x
  3. Step 3: Cross multiply
    165,156,344.61x = 227,930,278.16 × 90,830,002.80
  4. Step 4: Simplify right side
    165,156,344.61x = 20,702,907,803,477,576
  5. Step 5: Solve for x
    x = 20,702,907,803,477,576/165,156,344.61
  6. Step 6: Final answer
    x = 125,353,390.77

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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.