Home / 120,633,952.80-180,950,929.20-69,615,616.80

Finding the Fourth Proportional to 120,633,952.80, 180,950,929.20 and 69,615,616.80

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Solution

The fourth proportional to 120,633,952.80, 180,950,929.20 and 69,615,616.80 is: 104,423,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,633,952.80 : 180,950,929.20 = 69,615,616.80 : x
  2. Step 2: Convert to fraction form
    120,633,952.80/180,950,929.20 = 69,615,616.80/x
  3. Step 3: Cross multiply
    120,633,952.80x = 180,950,929.20 × 69,615,616.80
  4. Step 4: Simplify right side
    120,633,952.80x = 12,597,010,546,791,130
  5. Step 5: Solve for x
    x = 12,597,010,546,791,130/120,633,952.80
  6. Step 6: Final answer
    x = 104,423,425.20

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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.