Home / 57,170,866.11-78,896,294.76-31,065,383.40

Finding the Fourth Proportional to 57,170,866.11, 78,896,294.76 and 31,065,383.40

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Solution

The fourth proportional to 57,170,866.11, 78,896,294.76 and 31,065,383.40 is: 42,870,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,866.11 : 78,896,294.76 = 31,065,383.40 : x
  2. Step 2: Convert to fraction form
    57,170,866.11/78,896,294.76 = 31,065,383.40/x
  3. Step 3: Cross multiply
    57,170,866.11x = 78,896,294.76 × 31,065,383.40
  4. Step 4: Simplify right side
    57,170,866.11x = 2,450,943,645,558,811
  5. Step 5: Solve for x
    x = 2,450,943,645,558,811/57,170,866.11
  6. Step 6: Final answer
    x = 42,870,500.52

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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.