Home / 76,413,936.40-114,621,789.08-32,688,749.68

Finding the Fourth Proportional to 76,413,936.40, 114,621,789.08 and 32,688,749.68

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Solution

The fourth proportional to 76,413,936.40, 114,621,789.08 and 32,688,749.68 is: 49,033,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,413,936.40 : 114,621,789.08 = 32,688,749.68 : x
  2. Step 2: Convert to fraction form
    76,413,936.40/114,621,789.08 = 32,688,749.68/x
  3. Step 3: Cross multiply
    76,413,936.40x = 114,621,789.08 × 32,688,749.68
  4. Step 4: Simplify right side
    76,413,936.40x = 3,746,842,971,109,877.50
  5. Step 5: Solve for x
    x = 3,746,842,971,109,877.50/76,413,936.40
  6. Step 6: Final answer
    x = 49,033,502.89

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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.