Home / 57,170,998.48-78,896,477.72-31,065,516.20

Finding the Fourth Proportional to 57,170,998.48, 78,896,477.72 and 31,065,516.20

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Solution

The fourth proportional to 57,170,998.48, 78,896,477.72 and 31,065,516.20 is: 42,870,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,998.48 : 78,896,477.72 = 31,065,516.20 : x
  2. Step 2: Convert to fraction form
    57,170,998.48/78,896,477.72 = 31,065,516.20/x
  3. Step 3: Cross multiply
    57,170,998.48x = 78,896,477.72 × 31,065,516.20
  4. Step 4: Simplify right side
    57,170,998.48x = 2,450,959,806,733,599
  5. Step 5: Solve for x
    x = 2,450,959,806,733,599/57,170,998.48
  6. Step 6: Final answer
    x = 42,870,683.95

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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.