Home / 39,143,018.40-58,714,527.60-31,080,861.60

Finding the Fourth Proportional to 39,143,018.40, 58,714,527.60 and 31,080,861.60

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Solution

The fourth proportional to 39,143,018.40, 58,714,527.60 and 31,080,861.60 is: 46,621,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143,018.40 : 58,714,527.60 = 31,080,861.60 : x
  2. Step 2: Convert to fraction form
    39,143,018.40/58,714,527.60 = 31,080,861.60/x
  3. Step 3: Cross multiply
    39,143,018.40x = 58,714,527.60 × 31,080,861.60
  4. Step 4: Simplify right side
    39,143,018.40x = 1,824,898,106,244,980.25
  5. Step 5: Solve for x
    x = 1,824,898,106,244,980.25/39,143,018.40
  6. Step 6: Final answer
    x = 46,621,292.40

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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.