Home / 61,689,938.76-85,130,666.82-34,187,276.52

Finding the Fourth Proportional to 61,689,938.76, 85,130,666.82 and 34,187,276.52

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Solution

The fourth proportional to 61,689,938.76, 85,130,666.82 and 34,187,276.52 is: 47,177,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,689,938.76 : 85,130,666.82 = 34,187,276.52 : x
  2. Step 2: Convert to fraction form
    61,689,938.76/85,130,666.82 = 34,187,276.52/x
  3. Step 3: Cross multiply
    61,689,938.76x = 85,130,666.82 × 34,187,276.52
  4. Step 4: Simplify right side
    61,689,938.76x = 2,910,385,646,907,329
  5. Step 5: Solve for x
    x = 2,910,385,646,907,329/61,689,938.76
  6. Step 6: Final answer
    x = 47,177,638.78

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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.