Home / 70,185,889.40-105,278,834.10-36,173,665.40

Finding the Fourth Proportional to 70,185,889.40, 105,278,834.10 and 36,173,665.40

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Solution

The fourth proportional to 70,185,889.40, 105,278,834.10 and 36,173,665.40 is: 54,260,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185,889.40 : 105,278,834.10 = 36,173,665.40 : x
  2. Step 2: Convert to fraction form
    70,185,889.40/105,278,834.10 = 36,173,665.40/x
  3. Step 3: Cross multiply
    70,185,889.40x = 105,278,834.10 × 36,173,665.40
  4. Step 4: Simplify right side
    70,185,889.40x = 3,808,321,318,435,510
  5. Step 5: Solve for x
    x = 3,808,321,318,435,510/70,185,889.40
  6. Step 6: Final answer
    x = 54,260,498.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.