Home / 145,850,983.02-201,251,998.71-83,959,362.54

Finding the Fourth Proportional to 145,850,983.02, 201,251,998.71 and 83,959,362.54

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Solution

The fourth proportional to 145,850,983.02, 201,251,998.71 and 83,959,362.54 is: 115,851,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,850,983.02 : 201,251,998.71 = 83,959,362.54 : x
  2. Step 2: Convert to fraction form
    145,850,983.02/201,251,998.71 = 83,959,362.54/x
  3. Step 3: Cross multiply
    145,850,983.02x = 201,251,998.71 × 83,959,362.54
  4. Step 4: Simplify right side
    145,850,983.02x = 16,896,989,521,592,504
  5. Step 5: Solve for x
    x = 16,896,989,521,592,504/145,850,983.02
  6. Step 6: Final answer
    x = 115,851,049.97

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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.