Home / 106,769,468.60-160,154,202.90-72,505,302.20

Finding the Fourth Proportional to 106,769,468.60, 160,154,202.90 and 72,505,302.20

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Solution

The fourth proportional to 106,769,468.60, 160,154,202.90 and 72,505,302.20 is: 108,757,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,769,468.60 : 160,154,202.90 = 72,505,302.20 : x
  2. Step 2: Convert to fraction form
    106,769,468.60/160,154,202.90 = 72,505,302.20/x
  3. Step 3: Cross multiply
    106,769,468.60x = 160,154,202.90 × 72,505,302.20
  4. Step 4: Simplify right side
    106,769,468.60x = 11,612,028,879,864,618
  5. Step 5: Solve for x
    x = 11,612,028,879,864,618/106,769,468.60
  6. Step 6: Final answer
    x = 108,757,953.30

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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.