Home / 43,178,709.60-64,768,064.40-11,266,005.60

Finding the Fourth Proportional to 43,178,709.60, 64,768,064.40 and 11,266,005.60

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Solution

The fourth proportional to 43,178,709.60, 64,768,064.40 and 11,266,005.60 is: 16,899,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178,709.60 : 64,768,064.40 = 11,266,005.60 : x
  2. Step 2: Convert to fraction form
    43,178,709.60/64,768,064.40 = 11,266,005.60/x
  3. Step 3: Cross multiply
    43,178,709.60x = 64,768,064.40 × 11,266,005.60
  4. Step 4: Simplify right side
    43,178,709.60x = 729,677,376,231,560.62
  5. Step 5: Solve for x
    x = 729,677,376,231,560.62/43,178,709.60
  6. Step 6: Final answer
    x = 16,899,008.40

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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.