Home / 80,224,712.94-120,302,026.92-28,392,088.53

Finding the Fourth Proportional to 80,224,712.94, 120,302,026.92 and 28,392,088.53

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Solution

The fourth proportional to 80,224,712.94, 120,302,026.92 and 28,392,088.53 is: 42,575,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,712.94 : 120,302,026.92 = 28,392,088.53 : x
  2. Step 2: Convert to fraction form
    80,224,712.94/120,302,026.92 = 28,392,088.53/x
  3. Step 3: Cross multiply
    80,224,712.94x = 120,302,026.92 × 28,392,088.53
  4. Step 4: Simplify right side
    80,224,712.94x = 3,415,625,798,651,083.50
  5. Step 5: Solve for x
    x = 3,415,625,798,651,083.50/80,224,712.94
  6. Step 6: Final answer
    x = 42,575,731.01

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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.