Home / 102,679,133.53-141,697,328.85-55,636,169.89

Finding the Fourth Proportional to 102,679,133.53, 141,697,328.85 and 55,636,169.89

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Solution

The fourth proportional to 102,679,133.53, 141,697,328.85 and 55,636,169.89 is: 76,777,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679,133.53 : 141,697,328.85 = 55,636,169.89 : x
  2. Step 2: Convert to fraction form
    102,679,133.53/141,697,328.85 = 55,636,169.89/x
  3. Step 3: Cross multiply
    102,679,133.53x = 141,697,328.85 × 55,636,169.89
  4. Step 4: Simplify right side
    102,679,133.53x = 7,883,496,660,396,035
  5. Step 5: Solve for x
    x = 7,883,496,660,396,035/102,679,133.53
  6. Step 6: Final answer
    x = 76,777,981.95

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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.