Home / 76,379,944.33-105,413,298.51-42,894,926.38

Finding the Fourth Proportional to 76,379,944.33, 105,413,298.51 and 42,894,926.38

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Solution

The fourth proportional to 76,379,944.33, 105,413,298.51 and 42,894,926.38 is: 59,200,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379,944.33 : 105,413,298.51 = 42,894,926.38 : x
  2. Step 2: Convert to fraction form
    76,379,944.33/105,413,298.51 = 42,894,926.38/x
  3. Step 3: Cross multiply
    76,379,944.33x = 105,413,298.51 × 42,894,926.38
  4. Step 4: Simplify right side
    76,379,944.33x = 4,521,695,679,059,414
  5. Step 5: Solve for x
    x = 4,521,695,679,059,414/76,379,944.33
  6. Step 6: Final answer
    x = 59,200,038.95

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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.