Home / 164,735,008.90-227,333,688.42-90,396,813.20

Finding the Fourth Proportional to 164,735,008.90, 227,333,688.42 and 90,396,813.20

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Solution

The fourth proportional to 164,735,008.90, 227,333,688.42 and 90,396,813.20 is: 124,747,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,735,008.90 : 227,333,688.42 = 90,396,813.20 : x
  2. Step 2: Convert to fraction form
    164,735,008.90/227,333,688.42 = 90,396,813.20/x
  3. Step 3: Cross multiply
    164,735,008.90x = 227,333,688.42 × 90,396,813.20
  4. Step 4: Simplify right side
    164,735,008.90x = 20,550,240,966,169,744
  5. Step 5: Solve for x
    x = 20,550,240,966,169,744/164,735,008.90
  6. Step 6: Final answer
    x = 124,747,259.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.