Home / 45,903,931.20-68,855,896.80-15,611,794.20

Finding the Fourth Proportional to 45,903,931.20, 68,855,896.80 and 15,611,794.20

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Solution

The fourth proportional to 45,903,931.20, 68,855,896.80 and 15,611,794.20 is: 23,417,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903,931.20 : 68,855,896.80 = 15,611,794.20 : x
  2. Step 2: Convert to fraction form
    45,903,931.20/68,855,896.80 = 15,611,794.20/x
  3. Step 3: Cross multiply
    45,903,931.20x = 68,855,896.80 × 15,611,794.20
  4. Step 4: Simplify right side
    45,903,931.20x = 1,074,964,090,298,038.50
  5. Step 5: Solve for x
    x = 1,074,964,090,298,038.50/45,903,931.20
  6. Step 6: Final answer
    x = 23,417,691.30

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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.