Home / 78,998,430.39-109,022,071.46-44,189,044.89

Finding the Fourth Proportional to 78,998,430.39, 109,022,071.46 and 44,189,044.89

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Solution

The fourth proportional to 78,998,430.39, 109,022,071.46 and 44,189,044.89 is: 60,983,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,998,430.39 : 109,022,071.46 = 44,189,044.89 : x
  2. Step 2: Convert to fraction form
    78,998,430.39/109,022,071.46 = 44,189,044.89/x
  3. Step 3: Cross multiply
    78,998,430.39x = 109,022,071.46 × 44,189,044.89
  4. Step 4: Simplify right side
    78,998,430.39x = 4,817,581,209,746,728
  5. Step 5: Solve for x
    x = 4,817,581,209,746,728/78,998,430.39
  6. Step 6: Final answer
    x = 60,983,252.27

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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.