Home / 147,555,748.40-221,333,622.60-103,552,433.60

Finding the Fourth Proportional to 147,555,748.40, 221,333,622.60 and 103,552,433.60

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Solution

The fourth proportional to 147,555,748.40, 221,333,622.60 and 103,552,433.60 is: 155,328,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,555,748.40 : 221,333,622.60 = 103,552,433.60 : x
  2. Step 2: Convert to fraction form
    147,555,748.40/221,333,622.60 = 103,552,433.60/x
  3. Step 3: Cross multiply
    147,555,748.40x = 221,333,622.60 × 103,552,433.60
  4. Step 4: Simplify right side
    147,555,748.40x = 22,919,635,257,733,956
  5. Step 5: Solve for x
    x = 22,919,635,257,733,956/147,555,748.40
  6. Step 6: Final answer
    x = 155,328,650.40

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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.