Home / 54,310,441.60-81,465,662.40-51,791,017.60

Finding the Fourth Proportional to 54,310,441.60, 81,465,662.40 and 51,791,017.60

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Solution

The fourth proportional to 54,310,441.60, 81,465,662.40 and 51,791,017.60 is: 77,686,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,441.60 : 81,465,662.40 = 51,791,017.60 : x
  2. Step 2: Convert to fraction form
    54,310,441.60/81,465,662.40 = 51,791,017.60/x
  3. Step 3: Cross multiply
    54,310,441.60x = 81,465,662.40 × 51,791,017.60
  4. Step 4: Simplify right side
    54,310,441.60x = 4,219,189,555,154,058.50
  5. Step 5: Solve for x
    x = 4,219,189,555,154,058.50/54,310,441.60
  6. Step 6: Final answer
    x = 77,686,526.40

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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.