Home / 69,898,881.90-96,460,904.79-38,961,012.90

Finding the Fourth Proportional to 69,898,881.90, 96,460,904.79 and 38,961,012.90

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Solution

The fourth proportional to 69,898,881.90, 96,460,904.79 and 38,961,012.90 is: 53,766,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898,881.90 : 96,460,904.79 = 38,961,012.90 : x
  2. Step 2: Convert to fraction form
    69,898,881.90/96,460,904.79 = 38,961,012.90/x
  3. Step 3: Cross multiply
    69,898,881.90x = 96,460,904.79 × 38,961,012.90
  4. Step 4: Simplify right side
    69,898,881.90x = 3,758,214,555,868,862
  5. Step 5: Solve for x
    x = 3,758,214,555,868,862/69,898,881.90
  6. Step 6: Final answer
    x = 53,766,447.38

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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.