Home / 56,178,234.40-84,330,337.20-43,455,143.20

Finding the Fourth Proportional to 56,178,234.40, 84,330,337.20 and 43,455,143.20

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Solution

The fourth proportional to 56,178,234.40, 84,330,337.20 and 43,455,143.20 is: 65,231,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178,234.40 : 84,330,337.20 = 43,455,143.20 : x
  2. Step 2: Convert to fraction form
    56,178,234.40/84,330,337.20 = 43,455,143.20/x
  3. Step 3: Cross multiply
    56,178,234.40x = 84,330,337.20 × 43,455,143.20
  4. Step 4: Simplify right side
    56,178,234.40x = 3,664,586,879,130,287.50
  5. Step 5: Solve for x
    x = 3,664,586,879,130,287.50/56,178,234.40
  6. Step 6: Final answer
    x = 65,231,435.60

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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.