Home / 50,374,465.40-75,561,698.10-18,457,614.20

Finding the Fourth Proportional to 50,374,465.40, 75,561,698.10 and 18,457,614.20

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Solution

The fourth proportional to 50,374,465.40, 75,561,698.10 and 18,457,614.20 is: 27,686,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,374,465.40 : 75,561,698.10 = 18,457,614.20 : x
  2. Step 2: Convert to fraction form
    50,374,465.40/75,561,698.10 = 18,457,614.20/x
  3. Step 3: Cross multiply
    50,374,465.40x = 75,561,698.10 × 18,457,614.20
  4. Step 4: Simplify right side
    50,374,465.40x = 1,394,688,671,826,672.75
  5. Step 5: Solve for x
    x = 1,394,688,671,826,672.75/50,374,465.40
  6. Step 6: Final answer
    x = 27,686,421.30

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Similar ratio
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1.5x scale

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.