Home / 53,406,005.70-80,109,008.55-48,115,215.30

Finding the Fourth Proportional to 53,406,005.70, 80,109,008.55 and 48,115,215.30

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Solution

The fourth proportional to 53,406,005.70, 80,109,008.55 and 48,115,215.30 is: 72,172,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406,005.70 : 80,109,008.55 = 48,115,215.30 : x
  2. Step 2: Convert to fraction form
    53,406,005.70/80,109,008.55 = 48,115,215.30/x
  3. Step 3: Cross multiply
    53,406,005.70x = 80,109,008.55 × 48,115,215.30
  4. Step 4: Simplify right side
    53,406,005.70x = 3,854,462,193,852,790.50
  5. Step 5: Solve for x
    x = 3,854,462,193,852,790.50/53,406,005.70
  6. Step 6: Final answer
    x = 72,172,822.95

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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.