Home / 47,990,515.60-71,985,773.40-30,771,827.20

Finding the Fourth Proportional to 47,990,515.60, 71,985,773.40 and 30,771,827.20

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Solution

The fourth proportional to 47,990,515.60, 71,985,773.40 and 30,771,827.20 is: 46,157,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,515.60 : 71,985,773.40 = 30,771,827.20 : x
  2. Step 2: Convert to fraction form
    47,990,515.60/71,985,773.40 = 30,771,827.20/x
  3. Step 3: Cross multiply
    47,990,515.60x = 71,985,773.40 × 30,771,827.20
  4. Step 4: Simplify right side
    47,990,515.60x = 2,215,133,779,923,156.50
  5. Step 5: Solve for x
    x = 2,215,133,779,923,156.50/47,990,515.60
  6. Step 6: Final answer
    x = 46,157,740.80

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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.