Home / 161,828,231.20-242,966,295.60-127,788,013.60

Finding the Fourth Proportional to 161,828,231.20, 242,966,295.60 and 127,788,013.60

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Solution

The fourth proportional to 161,828,231.20, 242,966,295.60 and 127,788,013.60 is: 191,858,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828,231.20 : 242,966,295.60 = 127,788,013.60 : x
  2. Step 2: Convert to fraction form
    161,828,231.20/242,966,295.60 = 127,788,013.60/x
  3. Step 3: Cross multiply
    161,828,231.20x = 242,966,295.60 × 127,788,013.60
  4. Step 4: Simplify right side
    161,828,231.20x = 31,048,180,286,474,416
  5. Step 5: Solve for x
    x = 31,048,180,286,474,416/161,828,231.20
  6. Step 6: Final answer
    x = 191,858,862.06

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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.