Home / 65,199,123.30-97,798,684.95-19,755,012.90

Finding the Fourth Proportional to 65,199,123.30, 97,798,684.95 and 19,755,012.90

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Solution

The fourth proportional to 65,199,123.30, 97,798,684.95 and 19,755,012.90 is: 29,632,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199,123.30 : 97,798,684.95 = 19,755,012.90 : x
  2. Step 2: Convert to fraction form
    65,199,123.30/97,798,684.95 = 19,755,012.90/x
  3. Step 3: Cross multiply
    65,199,123.30x = 97,798,684.95 × 19,755,012.90
  4. Step 4: Simplify right side
    65,199,123.30x = 1,932,014,282,790,285.75
  5. Step 5: Solve for x
    x = 1,932,014,282,790,285.75/65,199,123.30
  6. Step 6: Final answer
    x = 29,632,519.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.