Home / 52,188,883.92-72,016,459.77-30,163,809.93

Finding the Fourth Proportional to 52,188,883.92, 72,016,459.77 and 30,163,809.93

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Solution

The fourth proportional to 52,188,883.92, 72,016,459.77 and 30,163,809.93 is: 41,623,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188,883.92 : 72,016,459.77 = 30,163,809.93 : x
  2. Step 2: Convert to fraction form
    52,188,883.92/72,016,459.77 = 30,163,809.93/x
  3. Step 3: Cross multiply
    52,188,883.92x = 72,016,459.77 × 30,163,809.93
  4. Step 4: Simplify right side
    52,188,883.92x = 2,172,290,804,333,771.25
  5. Step 5: Solve for x
    x = 2,172,290,804,333,771.25/52,188,883.92
  6. Step 6: Final answer
    x = 41,623,630.19

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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.