Home / 55,326,080.40-82,989,120.60-28,116,301.20

Finding the Fourth Proportional to 55,326,080.40, 82,989,120.60 and 28,116,301.20

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Solution

The fourth proportional to 55,326,080.40, 82,989,120.60 and 28,116,301.20 is: 42,174,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,080.40 : 82,989,120.60 = 28,116,301.20 : x
  2. Step 2: Convert to fraction form
    55,326,080.40/82,989,120.60 = 28,116,301.20/x
  3. Step 3: Cross multiply
    55,326,080.40x = 82,989,120.60 × 28,116,301.20
  4. Step 4: Simplify right side
    55,326,080.40x = 2,333,347,111,112,724.50
  5. Step 5: Solve for x
    x = 2,333,347,111,112,724.50/55,326,080.40
  6. Step 6: Final answer
    x = 42,174,451.80

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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.