Home / 161,844,019.60-242,766,029.40-147,105,389.20

Finding the Fourth Proportional to 161,844,019.60, 242,766,029.40 and 147,105,389.20

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Solution

The fourth proportional to 161,844,019.60, 242,766,029.40 and 147,105,389.20 is: 220,658,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,844,019.60 : 242,766,029.40 = 147,105,389.20 : x
  2. Step 2: Convert to fraction form
    161,844,019.60/242,766,029.40 = 147,105,389.20/x
  3. Step 3: Cross multiply
    161,844,019.60x = 242,766,029.40 × 147,105,389.20
  4. Step 4: Simplify right side
    161,844,019.60x = 35,712,191,239,425,640
  5. Step 5: Solve for x
    x = 35,712,191,239,425,640/161,844,019.60
  6. Step 6: Final answer
    x = 220,658,083.80

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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.