Home / 66,173,722.60-99,260,583.90-50,868,221.80

Finding the Fourth Proportional to 66,173,722.60, 99,260,583.90 and 50,868,221.80

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Solution

The fourth proportional to 66,173,722.60, 99,260,583.90 and 50,868,221.80 is: 76,302,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173,722.60 : 99,260,583.90 = 50,868,221.80 : x
  2. Step 2: Convert to fraction form
    66,173,722.60/99,260,583.90 = 50,868,221.80/x
  3. Step 3: Cross multiply
    66,173,722.60x = 99,260,583.90 × 50,868,221.80
  4. Step 4: Simplify right side
    66,173,722.60x = 5,049,209,397,822,709
  5. Step 5: Solve for x
    x = 5,049,209,397,822,709/66,173,722.60
  6. Step 6: Final answer
    x = 76,302,332.70

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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.