Home / 57,170,948.58-78,896,408.40-31,065,465.78

Finding the Fourth Proportional to 57,170,948.58, 78,896,408.40 and 31,065,465.78

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Solution

The fourth proportional to 57,170,948.58, 78,896,408.40 and 31,065,465.78 is: 42,870,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,948.58 : 78,896,408.40 = 31,065,465.78 : x
  2. Step 2: Convert to fraction form
    57,170,948.58/78,896,408.40 = 31,065,465.78/x
  3. Step 3: Cross multiply
    57,170,948.58x = 78,896,408.40 × 31,065,465.78
  4. Step 4: Simplify right side
    57,170,948.58x = 2,450,953,675,315,105
  5. Step 5: Solve for x
    x = 2,450,953,675,315,105/57,170,948.58
  6. Step 6: Final answer
    x = 42,870,614.12

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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.