Home / 106,769,477.60-160,154,216.40-72,505,311.20

Finding the Fourth Proportional to 106,769,477.60, 160,154,216.40 and 72,505,311.20

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Solution

The fourth proportional to 106,769,477.60, 160,154,216.40 and 72,505,311.20 is: 108,757,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,769,477.60 : 160,154,216.40 = 72,505,311.20 : x
  2. Step 2: Convert to fraction form
    106,769,477.60/160,154,216.40 = 72,505,311.20/x
  3. Step 3: Cross multiply
    106,769,477.60x = 160,154,216.40 × 72,505,311.20
  4. Step 4: Simplify right side
    106,769,477.60x = 11,612,031,300,074,144
  5. Step 5: Solve for x
    x = 11,612,031,300,074,144/106,769,477.60
  6. Step 6: Final answer
    x = 108,757,966.80

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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.