Home / 138,097,337.52-190,573,387.02-76,217,674.26

Finding the Fourth Proportional to 138,097,337.52, 190,573,387.02 and 76,217,674.26

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Solution

The fourth proportional to 138,097,337.52, 190,573,387.02 and 76,217,674.26 is: 105,179,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,097,337.52 : 190,573,387.02 = 76,217,674.26 : x
  2. Step 2: Convert to fraction form
    138,097,337.52/190,573,387.02 = 76,217,674.26/x
  3. Step 3: Cross multiply
    138,097,337.52x = 190,573,387.02 × 76,217,674.26
  4. Step 4: Simplify right side
    138,097,337.52x = 14,525,060,334,515,274
  5. Step 5: Solve for x
    x = 14,525,060,334,515,274/138,097,337.52
  6. Step 6: Final answer
    x = 105,179,872.37

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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.