Home / 147,420,070.40-221,130,105.60-145,506,882.80

Finding the Fourth Proportional to 147,420,070.40, 221,130,105.60 and 145,506,882.80

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Solution

The fourth proportional to 147,420,070.40, 221,130,105.60 and 145,506,882.80 is: 218,260,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,420,070.40 : 221,130,105.60 = 145,506,882.80 : x
  2. Step 2: Convert to fraction form
    147,420,070.40/221,130,105.60 = 145,506,882.80/x
  3. Step 3: Cross multiply
    147,420,070.40x = 221,130,105.60 × 145,506,882.80
  4. Step 4: Simplify right side
    147,420,070.40x = 32,175,952,359,090,824
  5. Step 5: Solve for x
    x = 32,175,952,359,090,824/147,420,070.40
  6. Step 6: Final answer
    x = 218,260,324.20

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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.