Home / 99,855,216.40-149,782,824.60-28,051,632.40

Finding the Fourth Proportional to 99,855,216.40, 149,782,824.60 and 28,051,632.40

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Solution

The fourth proportional to 99,855,216.40, 149,782,824.60 and 28,051,632.40 is: 42,077,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855,216.40 : 149,782,824.60 = 28,051,632.40 : x
  2. Step 2: Convert to fraction form
    99,855,216.40/149,782,824.60 = 28,051,632.40/x
  3. Step 3: Cross multiply
    99,855,216.40x = 149,782,824.60 × 28,051,632.40
  4. Step 4: Simplify right side
    99,855,216.40x = 4,201,652,735,512,876.50
  5. Step 5: Solve for x
    x = 4,201,652,735,512,876.50/99,855,216.40
  6. Step 6: Final answer
    x = 42,077,448.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.