Home / 57,170,783.95-78,896,180.93-31,065,301.04

Finding the Fourth Proportional to 57,170,783.95, 78,896,180.93 and 31,065,301.04

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Solution

The fourth proportional to 57,170,783.95, 78,896,180.93 and 31,065,301.04 is: 42,870,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,783.95 : 78,896,180.93 = 31,065,301.04 : x
  2. Step 2: Convert to fraction form
    57,170,783.95/78,896,180.93 = 31,065,301.04/x
  3. Step 3: Cross multiply
    57,170,783.95x = 78,896,180.93 × 31,065,301.04
  4. Step 4: Simplify right side
    57,170,783.95x = 2,450,933,610,946,949.50
  5. Step 5: Solve for x
    x = 2,450,933,610,946,949.50/57,170,783.95
  6. Step 6: Final answer
    x = 42,870,386.62

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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.