Home / 53,172,631.70-79,758,947.55-45,519,881.30

Finding the Fourth Proportional to 53,172,631.70, 79,758,947.55 and 45,519,881.30

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Solution

The fourth proportional to 53,172,631.70, 79,758,947.55 and 45,519,881.30 is: 68,279,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172,631.70 : 79,758,947.55 = 45,519,881.30 : x
  2. Step 2: Convert to fraction form
    53,172,631.70/79,758,947.55 = 45,519,881.30/x
  3. Step 3: Cross multiply
    53,172,631.70x = 79,758,947.55 × 45,519,881.30
  4. Step 4: Simplify right side
    53,172,631.70x = 3,630,617,825,088,925.50
  5. Step 5: Solve for x
    x = 3,630,617,825,088,925.50/53,172,631.70
  6. Step 6: Final answer
    x = 68,279,821.95

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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.