Home / 130,486,623.59-179,904,380.37-106,878,188.23

Finding the Fourth Proportional to 130,486,623.59, 179,904,380.37 and 106,878,188.23

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Solution

The fourth proportional to 130,486,623.59, 179,904,380.37 and 106,878,188.23 is: 147,354,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,486,623.59 : 179,904,380.37 = 106,878,188.23 : x
  2. Step 2: Convert to fraction form
    130,486,623.59/179,904,380.37 = 106,878,188.23/x
  3. Step 3: Cross multiply
    130,486,623.59x = 179,904,380.37 × 106,878,188.23
  4. Step 4: Simplify right side
    130,486,623.59x = 19,227,854,227,686,856
  5. Step 5: Solve for x
    x = 19,227,854,227,686,856/130,486,623.59
  6. Step 6: Final answer
    x = 147,354,983.21

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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.