Home / 140,910,505.20-211,365,757.80-119,411,420.40

Finding the Fourth Proportional to 140,910,505.20, 211,365,757.80 and 119,411,420.40

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Solution

The fourth proportional to 140,910,505.20, 211,365,757.80 and 119,411,420.40 is: 179,117,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910,505.20 : 211,365,757.80 = 119,411,420.40 : x
  2. Step 2: Convert to fraction form
    140,910,505.20/211,365,757.80 = 119,411,420.40/x
  3. Step 3: Cross multiply
    140,910,505.20x = 211,365,757.80 × 119,411,420.40
  4. Step 4: Simplify right side
    140,910,505.20x = 25,239,485,362,820,380
  5. Step 5: Solve for x
    x = 25,239,485,362,820,380/140,910,505.20
  6. Step 6: Final answer
    x = 179,117,130.60

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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.