Home / 85,583,187.59-128,436,074.39-36,433,500.26

Finding the Fourth Proportional to 85,583,187.59, 128,436,074.39 and 36,433,500.26

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Solution

The fourth proportional to 85,583,187.59, 128,436,074.39 and 36,433,500.26 is: 54,676,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,583,187.59 : 128,436,074.39 = 36,433,500.26 : x
  2. Step 2: Convert to fraction form
    85,583,187.59/128,436,074.39 = 36,433,500.26/x
  3. Step 3: Cross multiply
    85,583,187.59x = 128,436,074.39 × 36,433,500.26
  4. Step 4: Simplify right side
    85,583,187.59x = 4,679,375,749,681,444
  5. Step 5: Solve for x
    x = 4,679,375,749,681,444/85,583,187.59
  6. Step 6: Final answer
    x = 54,676,343.35

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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.