Home / 53,892,989.20-74,372,251.66-30,688,116.08

Finding the Fourth Proportional to 53,892,989.20, 74,372,251.66 and 30,688,116.08

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Solution

The fourth proportional to 53,892,989.20, 74,372,251.66 and 30,688,116.08 is: 42,349,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892,989.20 : 74,372,251.66 = 30,688,116.08 : x
  2. Step 2: Convert to fraction form
    53,892,989.20/74,372,251.66 = 30,688,116.08/x
  3. Step 3: Cross multiply
    53,892,989.20x = 74,372,251.66 × 30,688,116.08
  4. Step 4: Simplify right side
    53,892,989.20x = 2,282,344,292,073,052.50
  5. Step 5: Solve for x
    x = 2,282,344,292,073,052.50/53,892,989.20
  6. Step 6: Final answer
    x = 42,349,558.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.