Home / 53,406,005.20-80,109,007.80-48,115,214.80

Finding the Fourth Proportional to 53,406,005.20, 80,109,007.80 and 48,115,214.80

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Solution

The fourth proportional to 53,406,005.20, 80,109,007.80 and 48,115,214.80 is: 72,172,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406,005.20 : 80,109,007.80 = 48,115,214.80 : x
  2. Step 2: Convert to fraction form
    53,406,005.20/80,109,007.80 = 48,115,214.80/x
  3. Step 3: Cross multiply
    53,406,005.20x = 80,109,007.80 × 48,115,214.80
  4. Step 4: Simplify right side
    53,406,005.20x = 3,854,462,117,711,875
  5. Step 5: Solve for x
    x = 3,854,462,117,711,875/53,406,005.20
  6. Step 6: Final answer
    x = 72,172,822.20

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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.