Home / 60,168,178.18-90,260,836.82-18,672,639.56

Finding the Fourth Proportional to 60,168,178.18, 90,260,836.82 and 18,672,639.56

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Solution

The fourth proportional to 60,168,178.18, 90,260,836.82 and 18,672,639.56 is: 28,011,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168,178.18 : 90,260,836.82 = 18,672,639.56 : x
  2. Step 2: Convert to fraction form
    60,168,178.18/90,260,836.82 = 18,672,639.56/x
  3. Step 3: Cross multiply
    60,168,178.18x = 90,260,836.82 × 18,672,639.56
  4. Step 4: Simplify right side
    60,168,178.18x = 1,685,408,071,779,169.25
  5. Step 5: Solve for x
    x = 1,685,408,071,779,169.25/60,168,178.18
  6. Step 6: Final answer
    x = 28,011,618.81

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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.