Home / 65,180,920.32-90,029,246.52-48,733,983.90

Finding the Fourth Proportional to 65,180,920.32, 90,029,246.52 and 48,733,983.90

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Solution

The fourth proportional to 65,180,920.32, 90,029,246.52 and 48,733,983.90 is: 67,312,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180,920.32 : 90,029,246.52 = 48,733,983.90 : x
  2. Step 2: Convert to fraction form
    65,180,920.32/90,029,246.52 = 48,733,983.90/x
  3. Step 3: Cross multiply
    65,180,920.32x = 90,029,246.52 × 48,733,983.90
  4. Step 4: Simplify right side
    65,180,920.32x = 4,387,483,850,434,810.50
  5. Step 5: Solve for x
    x = 4,387,483,850,434,810.50/65,180,920.32
  6. Step 6: Final answer
    x = 67,312,394.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.