Home / 74,202,312.76-111,189,956.82-39,663,627.64

Finding the Fourth Proportional to 74,202,312.76, 111,189,956.82 and 39,663,627.64

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Solution

The fourth proportional to 74,202,312.76, 111,189,956.82 and 39,663,627.64 is: 59,434,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202,312.76 : 111,189,956.82 = 39,663,627.64 : x
  2. Step 2: Convert to fraction form
    74,202,312.76/111,189,956.82 = 39,663,627.64/x
  3. Step 3: Cross multiply
    74,202,312.76x = 111,189,956.82 × 39,663,627.64
  4. Step 4: Simplify right side
    74,202,312.76x = 4,410,197,044,616,158.50
  5. Step 5: Solve for x
    x = 4,410,197,044,616,158.50/74,202,312.76
  6. Step 6: Final answer
    x = 59,434,765.31

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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.