Home / 127,299,597.30-175,642,800-74,346,274.98

Finding the Fourth Proportional to 127,299,597.30, 175,642,800 and 74,346,274.98

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Solution

The fourth proportional to 127,299,597.30, 175,642,800 and 74,346,274.98 is: 102,579,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299,597.30 : 175,642,800 = 74,346,274.98 : x
  2. Step 2: Convert to fraction form
    127,299,597.30/175,642,800 = 74,346,274.98/x
  3. Step 3: Cross multiply
    127,299,597.30x = 175,642,800 × 74,346,274.98
  4. Step 4: Simplify right side
    127,299,597.30x = 13,058,387,907,057,144
  5. Step 5: Solve for x
    x = 13,058,387,907,057,144/127,299,597.30
  6. Step 6: Final answer
    x = 102,579,962.42

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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.