Home / 86,892,787.96-119,898,730.62-50,216,281.72

Finding the Fourth Proportional to 86,892,787.96, 119,898,730.62 and 50,216,281.72

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Solution

The fourth proportional to 86,892,787.96, 119,898,730.62 and 50,216,281.72 is: 69,290,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,892,787.96 : 119,898,730.62 = 50,216,281.72 : x
  2. Step 2: Convert to fraction form
    86,892,787.96/119,898,730.62 = 50,216,281.72/x
  3. Step 3: Cross multiply
    86,892,787.96x = 119,898,730.62 × 50,216,281.72
  4. Step 4: Simplify right side
    86,892,787.96x = 6,020,868,434,684,310
  5. Step 5: Solve for x
    x = 6,020,868,434,684,310/86,892,787.96
  6. Step 6: Final answer
    x = 69,290,772.87

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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.