Home / 60,189,899.58-90,131,581.44-39,657,370.30

Finding the Fourth Proportional to 60,189,899.58, 90,131,581.44 and 39,657,370.30

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Solution

The fourth proportional to 60,189,899.58, 90,131,581.44 and 39,657,370.30 is: 59,385,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,189,899.58 : 90,131,581.44 = 39,657,370.30 : x
  2. Step 2: Convert to fraction form
    60,189,899.58/90,131,581.44 = 39,657,370.30/x
  3. Step 3: Cross multiply
    60,189,899.58x = 90,131,581.44 × 39,657,370.30
  4. Step 4: Simplify right side
    60,189,899.58x = 3,574,381,500,665,358
  5. Step 5: Solve for x
    x = 3,574,381,500,665,358/60,189,899.58
  6. Step 6: Final answer
    x = 59,385,071.67

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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.