Home / 83,212,000.40-124,768,234.20-42,901,216.40

Finding the Fourth Proportional to 83,212,000.40, 124,768,234.20 and 42,901,216.40

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Solution

The fourth proportional to 83,212,000.40, 124,768,234.20 and 42,901,216.40 is: 64,326,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212,000.40 : 124,768,234.20 = 42,901,216.40 : x
  2. Step 2: Convert to fraction form
    83,212,000.40/124,768,234.20 = 42,901,216.40/x
  3. Step 3: Cross multiply
    83,212,000.40x = 124,768,234.20 × 42,901,216.40
  4. Step 4: Simplify right side
    83,212,000.40x = 5,352,709,015,260,081
  5. Step 5: Solve for x
    x = 5,352,709,015,260,081/83,212,000.40
  6. Step 6: Final answer
    x = 64,326,166.77

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1.5x scale

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.