Home / 57,239,542.04-78,983,391.48-38,695,032.68

Finding the Fourth Proportional to 57,239,542.04, 78,983,391.48 and 38,695,032.68

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Solution

The fourth proportional to 57,239,542.04, 78,983,391.48 and 38,695,032.68 is: 53,394,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239,542.04 : 78,983,391.48 = 38,695,032.68 : x
  2. Step 2: Convert to fraction form
    57,239,542.04/78,983,391.48 = 38,695,032.68/x
  3. Step 3: Cross multiply
    57,239,542.04x = 78,983,391.48 × 38,695,032.68
  4. Step 4: Simplify right side
    57,239,542.04x = 3,056,264,914,495,833.50
  5. Step 5: Solve for x
    x = 3,056,264,914,495,833.50/57,239,542.04
  6. Step 6: Final answer
    x = 53,394,293.62

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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.