Home / 140,468,852.02-193,833,882.66-83,942,380.84

Finding the Fourth Proportional to 140,468,852.02, 193,833,882.66 and 83,942,380.84

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Solution

The fourth proportional to 140,468,852.02, 193,833,882.66 and 83,942,380.84 is: 115,832,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,468,852.02 : 193,833,882.66 = 83,942,380.84 : x
  2. Step 2: Convert to fraction form
    140,468,852.02/193,833,882.66 = 83,942,380.84/x
  3. Step 3: Cross multiply
    140,468,852.02x = 193,833,882.66 × 83,942,380.84
  4. Step 4: Simplify right side
    140,468,852.02x = 16,270,877,597,941,592
  5. Step 5: Solve for x
    x = 16,270,877,597,941,592/140,468,852.02
  6. Step 6: Final answer
    x = 115,832,637.37

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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.