Home / 61,689,939.76-85,130,668.20-34,187,277.52

Finding the Fourth Proportional to 61,689,939.76, 85,130,668.20 and 34,187,277.52

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Solution

The fourth proportional to 61,689,939.76, 85,130,668.20 and 34,187,277.52 is: 47,177,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,689,939.76 : 85,130,668.20 = 34,187,277.52 : x
  2. Step 2: Convert to fraction form
    61,689,939.76/85,130,668.20 = 34,187,277.52/x
  3. Step 3: Cross multiply
    61,689,939.76x = 85,130,668.20 × 34,187,277.52
  4. Step 4: Simplify right side
    61,689,939.76x = 2,910,385,779,216,439
  5. Step 5: Solve for x
    x = 2,910,385,779,216,439/61,689,939.76
  6. Step 6: Final answer
    x = 47,177,640.16

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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.