Home / 62,643,461.67-86,458,367.05-36,537,978.76

Finding the Fourth Proportional to 62,643,461.67, 86,458,367.05 and 36,537,978.76

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Solution

The fourth proportional to 62,643,461.67, 86,458,367.05 and 36,537,978.76 is: 50,428,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643,461.67 : 86,458,367.05 = 36,537,978.76 : x
  2. Step 2: Convert to fraction form
    62,643,461.67/86,458,367.05 = 36,537,978.76/x
  3. Step 3: Cross multiply
    62,643,461.67x = 86,458,367.05 × 36,537,978.76
  4. Step 4: Simplify right side
    62,643,461.67x = 3,159,013,978,589,693
  5. Step 5: Solve for x
    x = 3,159,013,978,589,693/62,643,461.67
  6. Step 6: Final answer
    x = 50,428,470.82

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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.