Home / 55,314,109.20-82,900,661.40-31,052,989.20

Finding the Fourth Proportional to 55,314,109.20, 82,900,661.40 and 31,052,989.20

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Solution

The fourth proportional to 55,314,109.20, 82,900,661.40 and 31,052,989.20 is: 46,539,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314,109.20 : 82,900,661.40 = 31,052,989.20 : x
  2. Step 2: Convert to fraction form
    55,314,109.20/82,900,661.40 = 31,052,989.20/x
  3. Step 3: Cross multiply
    55,314,109.20x = 82,900,661.40 × 31,052,989.20
  4. Step 4: Simplify right side
    55,314,109.20x = 2,574,313,343,127,057
  5. Step 5: Solve for x
    x = 2,574,313,343,127,057/55,314,109.20
  6. Step 6: Final answer
    x = 46,539,904.20

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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.