Home / 80,577,477.49-120,778,761.51-52,899,780.07

Finding the Fourth Proportional to 80,577,477.49, 120,778,761.51 and 52,899,780.07

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Solution

The fourth proportional to 80,577,477.49, 120,778,761.51 and 52,899,780.07 is: 79,292,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,577,477.49 : 120,778,761.51 = 52,899,780.07 : x
  2. Step 2: Convert to fraction form
    80,577,477.49/120,778,761.51 = 52,899,780.07/x
  3. Step 3: Cross multiply
    80,577,477.49x = 120,778,761.51 × 52,899,780.07
  4. Step 4: Simplify right side
    80,577,477.49x = 6,389,169,921,005,981
  5. Step 5: Solve for x
    x = 6,389,169,921,005,981/80,577,477.49
  6. Step 6: Final answer
    x = 79,292,255.36

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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.