Home / 66,445,532.20-99,684,044.70-34,102,426.60

Finding the Fourth Proportional to 66,445,532.20, 99,684,044.70 and 34,102,426.60

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Solution

The fourth proportional to 66,445,532.20, 99,684,044.70 and 34,102,426.60 is: 51,161,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,532.20 : 99,684,044.70 = 34,102,426.60 : x
  2. Step 2: Convert to fraction form
    66,445,532.20/99,684,044.70 = 34,102,426.60/x
  3. Step 3: Cross multiply
    66,445,532.20x = 99,684,044.70 × 34,102,426.60
  4. Step 4: Simplify right side
    66,445,532.20x = 3,399,467,817,572,869.50
  5. Step 5: Solve for x
    x = 3,399,467,817,572,869.50/66,445,532.20
  6. Step 6: Final answer
    x = 51,161,721.56

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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.