Home / 57,646,737.40-86,470,106.10-55,158,806.20

Finding the Fourth Proportional to 57,646,737.40, 86,470,106.10 and 55,158,806.20

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Solution

The fourth proportional to 57,646,737.40, 86,470,106.10 and 55,158,806.20 is: 82,738,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646,737.40 : 86,470,106.10 = 55,158,806.20 : x
  2. Step 2: Convert to fraction form
    57,646,737.40/86,470,106.10 = 55,158,806.20/x
  3. Step 3: Cross multiply
    57,646,737.40x = 86,470,106.10 × 55,158,806.20
  4. Step 4: Simplify right side
    57,646,737.40x = 4,769,587,824,463,338
  5. Step 5: Solve for x
    x = 4,769,587,824,463,338/57,646,737.40
  6. Step 6: Final answer
    x = 82,738,209.30

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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.