Home / 56,911,742.40-85,361,868.43-38,585,357.62

Finding the Fourth Proportional to 56,911,742.40, 85,361,868.43 and 38,585,357.62

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Solution

The fourth proportional to 56,911,742.40, 85,361,868.43 and 38,585,357.62 is: 57,874,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911,742.40 : 85,361,868.43 = 38,585,357.62 : x
  2. Step 2: Convert to fraction form
    56,911,742.40/85,361,868.43 = 38,585,357.62/x
  3. Step 3: Cross multiply
    56,911,742.40x = 85,361,868.43 × 38,585,357.62
  4. Step 4: Simplify right side
    56,911,742.40x = 3,293,718,220,870,273.50
  5. Step 5: Solve for x
    x = 3,293,718,220,870,273.50/56,911,742.40
  6. Step 6: Final answer
    x = 57,874,141.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.