Home / 103,601,317.79-142,969,483.61-56,558,972.73

Finding the Fourth Proportional to 103,601,317.79, 142,969,483.61 and 56,558,972.73

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Solution

The fourth proportional to 103,601,317.79, 142,969,483.61 and 56,558,972.73 is: 78,051,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601,317.79 : 142,969,483.61 = 56,558,972.73 : x
  2. Step 2: Convert to fraction form
    103,601,317.79/142,969,483.61 = 56,558,972.73/x
  3. Step 3: Cross multiply
    103,601,317.79x = 142,969,483.61 × 56,558,972.73
  4. Step 4: Simplify right side
    103,601,317.79x = 8,086,207,124,437,376
  5. Step 5: Solve for x
    x = 8,086,207,124,437,376/103,601,317.79
  6. Step 6: Final answer
    x = 78,051,199.51

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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.