Home / 147,646,979.60-221,470,469.40-113,209,602.80

Finding the Fourth Proportional to 147,646,979.60, 221,470,469.40 and 113,209,602.80

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Solution

The fourth proportional to 147,646,979.60, 221,470,469.40 and 113,209,602.80 is: 169,814,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,646,979.60 : 221,470,469.40 = 113,209,602.80 : x
  2. Step 2: Convert to fraction form
    147,646,979.60/221,470,469.40 = 113,209,602.80/x
  3. Step 3: Cross multiply
    147,646,979.60x = 221,470,469.40 × 113,209,602.80
  4. Step 4: Simplify right side
    147,646,979.60x = 25,072,583,872,703,556
  5. Step 5: Solve for x
    x = 25,072,583,872,703,556/147,646,979.60
  6. Step 6: Final answer
    x = 169,814,404.20

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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.