Home / 76,977,047.96-115,503,509.10-36,039,259.16

Finding the Fourth Proportional to 76,977,047.96, 115,503,509.10 and 36,039,259.16

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Solution

The fourth proportional to 76,977,047.96, 115,503,509.10 and 36,039,259.16 is: 54,076,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,047.96 : 115,503,509.10 = 36,039,259.16 : x
  2. Step 2: Convert to fraction form
    76,977,047.96/115,503,509.10 = 36,039,259.16/x
  3. Step 3: Cross multiply
    76,977,047.96x = 115,503,509.10 × 36,039,259.16
  4. Step 4: Simplify right side
    76,977,047.96x = 4,162,660,897,766,800.50
  5. Step 5: Solve for x
    x = 4,162,660,897,766,800.50/76,977,047.96
  6. Step 6: Final answer
    x = 54,076,650.23

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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.