Home / 314,928,612.70-472,392,919.05-84,920,947.90

Finding the Fourth Proportional to 314,928,612.70, 472,392,919.05 and 84,920,947.90

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Solution

The fourth proportional to 314,928,612.70, 472,392,919.05 and 84,920,947.90 is: 127,381,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,612.70 : 472,392,919.05 = 84,920,947.90 : x
  2. Step 2: Convert to fraction form
    314,928,612.70/472,392,919.05 = 84,920,947.90/x
  3. Step 3: Cross multiply
    314,928,612.70x = 472,392,919.05 × 84,920,947.90
  4. Step 4: Simplify right side
    314,928,612.70x = 40,116,054,466,973,968
  5. Step 5: Solve for x
    x = 40,116,054,466,973,968/314,928,612.70
  6. Step 6: Final answer
    x = 127,381,421.85

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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.