Home / 66,508,360.70-99,762,541.05-43,814,882.30

Finding the Fourth Proportional to 66,508,360.70, 99,762,541.05 and 43,814,882.30

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Solution

The fourth proportional to 66,508,360.70, 99,762,541.05 and 43,814,882.30 is: 65,722,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,360.70 : 99,762,541.05 = 43,814,882.30 : x
  2. Step 2: Convert to fraction form
    66,508,360.70/99,762,541.05 = 43,814,882.30/x
  3. Step 3: Cross multiply
    66,508,360.70x = 99,762,541.05 × 43,814,882.30
  4. Step 4: Simplify right side
    66,508,360.70x = 4,371,083,994,054,668
  5. Step 5: Solve for x
    x = 4,371,083,994,054,668/66,508,360.70
  6. Step 6: Final answer
    x = 65,722,323.45

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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.