Home / 152,656,128.33-228,406,372.88-90,440,857.77

Finding the Fourth Proportional to 152,656,128.33, 228,406,372.88 and 90,440,857.77

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Solution

The fourth proportional to 152,656,128.33, 228,406,372.88 and 90,440,857.77 is: 135,318,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656,128.33 : 228,406,372.88 = 90,440,857.77 : x
  2. Step 2: Convert to fraction form
    152,656,128.33/228,406,372.88 = 90,440,857.77/x
  3. Step 3: Cross multiply
    152,656,128.33x = 228,406,372.88 × 90,440,857.77
  4. Step 4: Simplify right side
    152,656,128.33x = 20,657,268,282,949,460
  5. Step 5: Solve for x
    x = 20,657,268,282,949,460/152,656,128.33
  6. Step 6: Final answer
    x = 135,318,958.43

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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.