Home / 66,733,904.40-100,100,856.60-28,396,669.20

Finding the Fourth Proportional to 66,733,904.40, 100,100,856.60 and 28,396,669.20

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Solution

The fourth proportional to 66,733,904.40, 100,100,856.60 and 28,396,669.20 is: 42,595,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733,904.40 : 100,100,856.60 = 28,396,669.20 : x
  2. Step 2: Convert to fraction form
    66,733,904.40/100,100,856.60 = 28,396,669.20/x
  3. Step 3: Cross multiply
    66,733,904.40x = 100,100,856.60 × 28,396,669.20
  4. Step 4: Simplify right side
    66,733,904.40x = 2,842,530,911,506,836.50
  5. Step 5: Solve for x
    x = 2,842,530,911,506,836.50/66,733,904.40
  6. Step 6: Final answer
    x = 42,595,003.80

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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.