Home / 147,434,461.20-221,470,556.40-104,387,740.20

Finding the Fourth Proportional to 147,434,461.20, 221,470,556.40 and 104,387,740.20

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Solution

The fourth proportional to 147,434,461.20, 221,470,556.40 and 104,387,740.20 is: 156,807,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,461.20 : 221,470,556.40 = 104,387,740.20 : x
  2. Step 2: Convert to fraction form
    147,434,461.20/221,470,556.40 = 104,387,740.20/x
  3. Step 3: Cross multiply
    147,434,461.20x = 221,470,556.40 × 104,387,740.20
  4. Step 4: Simplify right side
    147,434,461.20x = 23,118,810,903,432,648
  5. Step 5: Solve for x
    x = 23,118,810,903,432,648/147,434,461.20
  6. Step 6: Final answer
    x = 156,807,375.39

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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.