Home / 74,367,127.48-102,638,806.62-61,957,542.76

Finding the Fourth Proportional to 74,367,127.48, 102,638,806.62 and 61,957,542.76

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Solution

The fourth proportional to 74,367,127.48, 102,638,806.62 and 61,957,542.76 is: 85,511,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,127.48 : 102,638,806.62 = 61,957,542.76 : x
  2. Step 2: Convert to fraction form
    74,367,127.48/102,638,806.62 = 61,957,542.76/x
  3. Step 3: Cross multiply
    74,367,127.48x = 102,638,806.62 × 61,957,542.76
  4. Step 4: Simplify right side
    74,367,127.48x = 6,359,248,249,994,021
  5. Step 5: Solve for x
    x = 6,359,248,249,994,021/74,367,127.48
  6. Step 6: Final answer
    x = 85,511,548.79

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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.