Home / 74,640,930.90-111,961,396.35-61,886,346.90

Finding the Fourth Proportional to 74,640,930.90, 111,961,396.35 and 61,886,346.90

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Solution

The fourth proportional to 74,640,930.90, 111,961,396.35 and 61,886,346.90 is: 92,829,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640,930.90 : 111,961,396.35 = 61,886,346.90 : x
  2. Step 2: Convert to fraction form
    74,640,930.90/111,961,396.35 = 61,886,346.90/x
  3. Step 3: Cross multiply
    74,640,930.90x = 111,961,396.35 × 61,886,346.90
  4. Step 4: Simplify right side
    74,640,930.90x = 6,928,881,813,924,493
  5. Step 5: Solve for x
    x = 6,928,881,813,924,493/74,640,930.90
  6. Step 6: Final answer
    x = 92,829,520.35

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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.