Home / 161,771,687.20-242,657,530.80-153,481,207.60

Finding the Fourth Proportional to 161,771,687.20, 242,657,530.80 and 153,481,207.60

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Solution

The fourth proportional to 161,771,687.20, 242,657,530.80 and 153,481,207.60 is: 230,221,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,771,687.20 : 242,657,530.80 = 153,481,207.60 : x
  2. Step 2: Convert to fraction form
    161,771,687.20/242,657,530.80 = 153,481,207.60/x
  3. Step 3: Cross multiply
    161,771,687.20x = 242,657,530.80 × 153,481,207.60
  4. Step 4: Simplify right side
    161,771,687.20x = 37,243,370,860,418,192
  5. Step 5: Solve for x
    x = 37,243,370,860,418,192/161,771,687.20
  6. Step 6: Final answer
    x = 230,221,811.40

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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.