Home / 216,470,610.40-324,683,572.56-146,887,618.36

Finding the Fourth Proportional to 216,470,610.40, 324,683,572.56 and 146,887,618.36

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Solution

The fourth proportional to 216,470,610.40, 324,683,572.56 and 146,887,618.36 is: 220,316,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,470,610.40 : 324,683,572.56 = 146,887,618.36 : x
  2. Step 2: Convert to fraction form
    216,470,610.40/324,683,572.56 = 146,887,618.36/x
  3. Step 3: Cross multiply
    216,470,610.40x = 324,683,572.56 × 146,887,618.36
  4. Step 4: Simplify right side
    216,470,610.40x = 47,691,996,693,954,656
  5. Step 5: Solve for x
    x = 47,691,996,693,954,656/216,470,610.40
  6. Step 6: Final answer
    x = 220,316,266.52

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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.