Home / 71,246,139.96-98,328,945.96-39,896,127.30

Finding the Fourth Proportional to 71,246,139.96, 98,328,945.96 and 39,896,127.30

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Solution

The fourth proportional to 71,246,139.96, 98,328,945.96 and 39,896,127.30 is: 55,061,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,246,139.96 : 98,328,945.96 = 39,896,127.30 : x
  2. Step 2: Convert to fraction form
    71,246,139.96/98,328,945.96 = 39,896,127.30/x
  3. Step 3: Cross multiply
    71,246,139.96x = 98,328,945.96 × 39,896,127.30
  4. Step 4: Simplify right side
    71,246,139.96x = 3,922,944,145,294,980
  5. Step 5: Solve for x
    x = 3,922,944,145,294,980/71,246,139.96
  6. Step 6: Final answer
    x = 55,061,848.23

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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.