Home / 164,726,960.80-227,323,118.08-90,388,009.60

Finding the Fourth Proportional to 164,726,960.80, 227,323,118.08 and 90,388,009.60

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Solution

The fourth proportional to 164,726,960.80, 227,323,118.08 and 90,388,009.60 is: 124,735,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,726,960.80 : 227,323,118.08 = 90,388,009.60 : x
  2. Step 2: Convert to fraction form
    164,726,960.80/227,323,118.08 = 90,388,009.60/x
  3. Step 3: Cross multiply
    164,726,960.80x = 227,323,118.08 × 90,388,009.60
  4. Step 4: Simplify right side
    164,726,960.80x = 20,547,284,179,316,972
  5. Step 5: Solve for x
    x = 20,547,284,179,316,972/164,726,960.80
  6. Step 6: Final answer
    x = 124,735,405.06

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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.