Home / 133,545,809.70-200,318,714.55-120,366,072.90

Finding the Fourth Proportional to 133,545,809.70, 200,318,714.55 and 120,366,072.90

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Solution

The fourth proportional to 133,545,809.70, 200,318,714.55 and 120,366,072.90 is: 180,549,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,545,809.70 : 200,318,714.55 = 120,366,072.90 : x
  2. Step 2: Convert to fraction form
    133,545,809.70/200,318,714.55 = 120,366,072.90/x
  3. Step 3: Cross multiply
    133,545,809.70x = 200,318,714.55 × 120,366,072.90
  4. Step 4: Simplify right side
    133,545,809.70x = 24,111,576,998,759,592
  5. Step 5: Solve for x
    x = 24,111,576,998,759,592/133,545,809.70
  6. Step 6: Final answer
    x = 180,549,109.35

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1.5x scale

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.