Home / 74,864,017.20-112,128,064.20-73,184,401.20

Finding the Fourth Proportional to 74,864,017.20, 112,128,064.20 and 73,184,401.20

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Solution

The fourth proportional to 74,864,017.20, 112,128,064.20 and 73,184,401.20 is: 109,612,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864,017.20 : 112,128,064.20 = 73,184,401.20 : x
  2. Step 2: Convert to fraction form
    74,864,017.20/112,128,064.20 = 73,184,401.20/x
  3. Step 3: Cross multiply
    74,864,017.20x = 112,128,064.20 × 73,184,401.20
  4. Step 4: Simplify right side
    74,864,017.20x = 8,206,025,236,192,158
  5. Step 5: Solve for x
    x = 8,206,025,236,192,158/74,864,017.20
  6. Step 6: Final answer
    x = 109,612,408.51

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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.