Home / 120,604,319.22-180,900,491.85-38,727,205.86

Finding the Fourth Proportional to 120,604,319.22, 180,900,491.85 and 38,727,205.86

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Solution

The fourth proportional to 120,604,319.22, 180,900,491.85 and 38,727,205.86 is: 58,088,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604,319.22 : 180,900,491.85 = 38,727,205.86 : x
  2. Step 2: Convert to fraction form
    120,604,319.22/180,900,491.85 = 38,727,205.86/x
  3. Step 3: Cross multiply
    120,604,319.22x = 180,900,491.85 × 38,727,205.86
  4. Step 4: Simplify right side
    120,604,319.22x = 7,005,770,588,050,202
  5. Step 5: Solve for x
    x = 7,005,770,588,050,202/120,604,319.22
  6. Step 6: Final answer
    x = 58,088,886.31

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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.