Home / 200,348,984.40-300,348,516.60-77,611,045.20

Finding the Fourth Proportional to 200,348,984.40, 300,348,516.60 and 77,611,045.20

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Solution

The fourth proportional to 200,348,984.40, 300,348,516.60 and 77,611,045.20 is: 116,348,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,348,984.40 : 300,348,516.60 = 77,611,045.20 : x
  2. Step 2: Convert to fraction form
    200,348,984.40/300,348,516.60 = 77,611,045.20/x
  3. Step 3: Cross multiply
    200,348,984.40x = 300,348,516.60 × 77,611,045.20
  4. Step 4: Simplify right side
    200,348,984.40x = 23,310,362,297,595,552
  5. Step 5: Solve for x
    x = 23,310,362,297,595,552/200,348,984.40
  6. Step 6: Final answer
    x = 116,348,791.92

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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.