Home / 76,379,951.32-105,413,308.16-42,894,933.40

Finding the Fourth Proportional to 76,379,951.32, 105,413,308.16 and 42,894,933.40

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Solution

The fourth proportional to 76,379,951.32, 105,413,308.16 and 42,894,933.40 is: 59,200,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379,951.32 : 105,413,308.16 = 42,894,933.40 : x
  2. Step 2: Convert to fraction form
    76,379,951.32/105,413,308.16 = 42,894,933.40/x
  3. Step 3: Cross multiply
    76,379,951.32x = 105,413,308.16 × 42,894,933.40
  4. Step 4: Simplify right side
    76,379,951.32x = 4,521,696,832,996,876
  5. Step 5: Solve for x
    x = 4,521,696,832,996,876/76,379,951.32
  6. Step 6: Final answer
    x = 59,200,048.64

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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.