Home / 66,497,590.20-99,578,423.70-43,654,812.60

Finding the Fourth Proportional to 66,497,590.20, 99,578,423.70 and 43,654,812.60

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Solution

The fourth proportional to 66,497,590.20, 99,578,423.70 and 43,654,812.60 is: 65,371,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497,590.20 : 99,578,423.70 = 43,654,812.60 : x
  2. Step 2: Convert to fraction form
    66,497,590.20/99,578,423.70 = 43,654,812.60/x
  3. Step 3: Cross multiply
    66,497,590.20x = 99,578,423.70 × 43,654,812.60
  4. Step 4: Simplify right side
    66,497,590.20x = 4,347,077,425,626,899
  5. Step 5: Solve for x
    x = 4,347,077,425,626,899/66,497,590.20
  6. Step 6: Final answer
    x = 65,371,954.27

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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.