Home / 57,240,930.55-78,985,297.51-38,696,411.47

Finding the Fourth Proportional to 57,240,930.55, 78,985,297.51 and 38,696,411.47

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Solution

The fourth proportional to 57,240,930.55, 78,985,297.51 and 38,696,411.47 is: 53,396,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240,930.55 : 78,985,297.51 = 38,696,411.47 : x
  2. Step 2: Convert to fraction form
    57,240,930.55/78,985,297.51 = 38,696,411.47/x
  3. Step 3: Cross multiply
    57,240,930.55x = 78,985,297.51 × 38,696,411.47
  4. Step 4: Simplify right side
    57,240,930.55x = 3,056,447,572,527,326.50
  5. Step 5: Solve for x
    x = 3,056,447,572,527,326.50/57,240,930.55
  6. Step 6: Final answer
    x = 53,396,189.46

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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.