Home / 133,452,097.20-200,178,145.80-79,704,385.20

Finding the Fourth Proportional to 133,452,097.20, 200,178,145.80 and 79,704,385.20

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Solution

The fourth proportional to 133,452,097.20, 200,178,145.80 and 79,704,385.20 is: 119,556,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452,097.20 : 200,178,145.80 = 79,704,385.20 : x
  2. Step 2: Convert to fraction form
    133,452,097.20/200,178,145.80 = 79,704,385.20/x
  3. Step 3: Cross multiply
    133,452,097.20x = 200,178,145.80 × 79,704,385.20
  4. Step 4: Simplify right side
    133,452,097.20x = 15,955,076,041,464,964
  5. Step 5: Solve for x
    x = 15,955,076,041,464,964/133,452,097.20
  6. Step 6: Final answer
    x = 119,556,577.80

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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.