Home / 161,762,867.40-242,644,301.10-152,834,658.60

Finding the Fourth Proportional to 161,762,867.40, 242,644,301.10 and 152,834,658.60

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Solution

The fourth proportional to 161,762,867.40, 242,644,301.10 and 152,834,658.60 is: 229,251,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762,867.40 : 242,644,301.10 = 152,834,658.60 : x
  2. Step 2: Convert to fraction form
    161,762,867.40/242,644,301.10 = 152,834,658.60/x
  3. Step 3: Cross multiply
    161,762,867.40x = 242,644,301.10 × 152,834,658.60
  4. Step 4: Simplify right side
    161,762,867.40x = 37,084,458,919,854,104
  5. Step 5: Solve for x
    x = 37,084,458,919,854,104/161,762,867.40
  6. Step 6: Final answer
    x = 229,251,987.90

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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.