Home / 76,616,484.05-105,732,981.56-41,811,416.45

Finding the Fourth Proportional to 76,616,484.05, 105,732,981.56 and 41,811,416.45

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Solution

The fourth proportional to 76,616,484.05, 105,732,981.56 and 41,811,416.45 is: 57,700,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,484.05 : 105,732,981.56 = 41,811,416.45 : x
  2. Step 2: Convert to fraction form
    76,616,484.05/105,732,981.56 = 41,811,416.45/x
  3. Step 3: Cross multiply
    76,616,484.05x = 105,732,981.56 × 41,811,416.45
  4. Step 4: Simplify right side
    76,616,484.05x = 4,420,845,724,505,331
  5. Step 5: Solve for x
    x = 4,420,845,724,505,331/76,616,484.05
  6. Step 6: Final answer
    x = 57,700,973.61

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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.