Home / 136,043,379.90-204,065,069.85-74,608,800.30

Finding the Fourth Proportional to 136,043,379.90, 204,065,069.85 and 74,608,800.30

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Solution

The fourth proportional to 136,043,379.90, 204,065,069.85 and 74,608,800.30 is: 111,913,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,043,379.90 : 204,065,069.85 = 74,608,800.30 : x
  2. Step 2: Convert to fraction form
    136,043,379.90/204,065,069.85 = 74,608,800.30/x
  3. Step 3: Cross multiply
    136,043,379.90x = 204,065,069.85 × 74,608,800.30
  4. Step 4: Simplify right side
    136,043,379.90x = 15,225,050,044,644,200
  5. Step 5: Solve for x
    x = 15,225,050,044,644,200/136,043,379.90
  6. Step 6: Final answer
    x = 111,913,200.45

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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.