Home / 66,199,566.60-99,252,110.70-29,778,143.40

Finding the Fourth Proportional to 66,199,566.60, 99,252,110.70 and 29,778,143.40

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Solution

The fourth proportional to 66,199,566.60, 99,252,110.70 and 29,778,143.40 is: 44,645,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,199,566.60 : 99,252,110.70 = 29,778,143.40 : x
  2. Step 2: Convert to fraction form
    66,199,566.60/99,252,110.70 = 29,778,143.40/x
  3. Step 3: Cross multiply
    66,199,566.60x = 99,252,110.70 × 29,778,143.40
  4. Step 4: Simplify right side
    66,199,566.60x = 2,955,543,585,177,274.50
  5. Step 5: Solve for x
    x = 2,955,543,585,177,274.50/66,199,566.60
  6. Step 6: Final answer
    x = 44,645,965.78

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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.