Home / 161,771,691.20-242,657,536.80-153,481,211.60

Finding the Fourth Proportional to 161,771,691.20, 242,657,536.80 and 153,481,211.60

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Solution

The fourth proportional to 161,771,691.20, 242,657,536.80 and 153,481,211.60 is: 230,221,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,771,691.20 : 242,657,536.80 = 153,481,211.60 : x
  2. Step 2: Convert to fraction form
    161,771,691.20/242,657,536.80 = 153,481,211.60/x
  3. Step 3: Cross multiply
    161,771,691.20x = 242,657,536.80 × 153,481,211.60
  4. Step 4: Simplify right side
    161,771,691.20x = 37,243,372,751,935,584
  5. Step 5: Solve for x
    x = 37,243,372,751,935,584/161,771,691.20
  6. Step 6: Final answer
    x = 230,221,817.40

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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.