Home / 147,219,866.48-203,160,748.92-80,239,404.08

Finding the Fourth Proportional to 147,219,866.48, 203,160,748.92 and 80,239,404.08

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Solution

The fourth proportional to 147,219,866.48, 203,160,748.92 and 80,239,404.08 is: 110,728,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219,866.48 : 203,160,748.92 = 80,239,404.08 : x
  2. Step 2: Convert to fraction form
    147,219,866.48/203,160,748.92 = 80,239,404.08/x
  3. Step 3: Cross multiply
    147,219,866.48x = 203,160,748.92 × 80,239,404.08
  4. Step 4: Simplify right side
    147,219,866.48x = 16,301,497,425,787,302
  5. Step 5: Solve for x
    x = 16,301,497,425,787,302/147,219,866.48
  6. Step 6: Final answer
    x = 110,728,924.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.