Home / 56,162,812.40-84,244,218.60-49,780,271.60

Finding the Fourth Proportional to 56,162,812.40, 84,244,218.60 and 49,780,271.60

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Solution

The fourth proportional to 56,162,812.40, 84,244,218.60 and 49,780,271.60 is: 74,670,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162,812.40 : 84,244,218.60 = 49,780,271.60 : x
  2. Step 2: Convert to fraction form
    56,162,812.40/84,244,218.60 = 49,780,271.60/x
  3. Step 3: Cross multiply
    56,162,812.40x = 84,244,218.60 × 49,780,271.60
  4. Step 4: Simplify right side
    56,162,812.40x = 4,193,700,082,637,771.50
  5. Step 5: Solve for x
    x = 4,193,700,082,637,771.50/56,162,812.40
  6. Step 6: Final answer
    x = 74,670,407.40

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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.