Home / 145,784,785.52-201,233,669.64-83,929,777.04

Finding the Fourth Proportional to 145,784,785.52, 201,233,669.64 and 83,929,777.04

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Solution

The fourth proportional to 145,784,785.52, 201,233,669.64 and 83,929,777.04 is: 115,852,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,784,785.52 : 201,233,669.64 = 83,929,777.04 : x
  2. Step 2: Convert to fraction form
    145,784,785.52/201,233,669.64 = 83,929,777.04/x
  3. Step 3: Cross multiply
    145,784,785.52x = 201,233,669.64 × 83,929,777.04
  4. Step 4: Simplify right side
    145,784,785.52x = 16,889,497,025,826,218
  5. Step 5: Solve for x
    x = 16,889,497,025,826,218/145,784,785.52
  6. Step 6: Final answer
    x = 115,852,261.03

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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.