Home / 161,818,971.20-242,728,456.80-160,811,201.60

Finding the Fourth Proportional to 161,818,971.20, 242,728,456.80 and 160,811,201.60

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Solution

The fourth proportional to 161,818,971.20, 242,728,456.80 and 160,811,201.60 is: 241,216,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,818,971.20 : 242,728,456.80 = 160,811,201.60 : x
  2. Step 2: Convert to fraction form
    161,818,971.20/242,728,456.80 = 160,811,201.60/x
  3. Step 3: Cross multiply
    161,818,971.20x = 242,728,456.80 × 160,811,201.60
  4. Step 4: Simplify right side
    161,818,971.20x = 39,033,454,800,521,688
  5. Step 5: Solve for x
    x = 39,033,454,800,521,688/161,818,971.20
  6. Step 6: Final answer
    x = 241,216,802.40

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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.