Home / 75,354,528.96-113,039,613.25-20,767,123.71

Finding the Fourth Proportional to 75,354,528.96, 113,039,613.25 and 20,767,123.71

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Solution

The fourth proportional to 75,354,528.96, 113,039,613.25 and 20,767,123.71 is: 31,152,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,354,528.96 : 113,039,613.25 = 20,767,123.71 : x
  2. Step 2: Convert to fraction form
    75,354,528.96/113,039,613.25 = 20,767,123.71/x
  3. Step 3: Cross multiply
    75,354,528.96x = 113,039,613.25 × 20,767,123.71
  4. Step 4: Simplify right side
    75,354,528.96x = 2,347,507,632,441,387.50
  5. Step 5: Solve for x
    x = 2,347,507,632,441,387.50/75,354,528.96
  6. Step 6: Final answer
    x = 31,152,840.64

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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.