Home / 99,855,214.40-149,782,821.60-28,051,630.40

Finding the Fourth Proportional to 99,855,214.40, 149,782,821.60 and 28,051,630.40

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Solution

The fourth proportional to 99,855,214.40, 149,782,821.60 and 28,051,630.40 is: 42,077,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855,214.40 : 149,782,821.60 = 28,051,630.40 : x
  2. Step 2: Convert to fraction form
    99,855,214.40/149,782,821.60 = 28,051,630.40/x
  3. Step 3: Cross multiply
    99,855,214.40x = 149,782,821.60 × 28,051,630.40
  4. Step 4: Simplify right side
    99,855,214.40x = 4,201,652,351,792,336
  5. Step 5: Solve for x
    x = 4,201,652,351,792,336/99,855,214.40
  6. Step 6: Final answer
    x = 42,077,445.60

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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.