Home / 66,083,010.36-91,189,201.28-38,207,510.80

Finding the Fourth Proportional to 66,083,010.36, 91,189,201.28 and 38,207,510.80

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Solution

The fourth proportional to 66,083,010.36, 91,189,201.28 and 38,207,510.80 is: 52,723,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083,010.36 : 91,189,201.28 = 38,207,510.80 : x
  2. Step 2: Convert to fraction form
    66,083,010.36/91,189,201.28 = 38,207,510.80/x
  3. Step 3: Cross multiply
    66,083,010.36x = 91,189,201.28 × 38,207,510.80
  4. Step 4: Simplify right side
    66,083,010.36x = 3,484,112,392,748,973.50
  5. Step 5: Solve for x
    x = 3,484,112,392,748,973.50/66,083,010.36
  6. Step 6: Final answer
    x = 52,723,269.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.