Home / 52,221,802.76-72,062,928.64-29,016,136.25

Finding the Fourth Proportional to 52,221,802.76, 72,062,928.64 and 29,016,136.25

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Solution

The fourth proportional to 52,221,802.76, 72,062,928.64 and 29,016,136.25 is: 40,040,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221,802.76 : 72,062,928.64 = 29,016,136.25 : x
  2. Step 2: Convert to fraction form
    52,221,802.76/72,062,928.64 = 29,016,136.25/x
  3. Step 3: Cross multiply
    52,221,802.76x = 72,062,928.64 × 29,016,136.25
  4. Step 4: Simplify right side
    52,221,802.76x = 2,090,987,755,992,267.25
  5. Step 5: Solve for x
    x = 2,090,987,755,992,267.25/52,221,802.76
  6. Step 6: Final answer
    x = 40,040,512.69

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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.