Home / 99,942,970.44-137,918,708.64-55,290,592.20

Finding the Fourth Proportional to 99,942,970.44, 137,918,708.64 and 55,290,592.20

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Solution

The fourth proportional to 99,942,970.44, 137,918,708.64 and 55,290,592.20 is: 76,299,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942,970.44 : 137,918,708.64 = 55,290,592.20 : x
  2. Step 2: Convert to fraction form
    99,942,970.44/137,918,708.64 = 55,290,592.20/x
  3. Step 3: Cross multiply
    99,942,970.44x = 137,918,708.64 × 55,290,592.20
  4. Step 4: Simplify right side
    99,942,970.44x = 7,625,607,076,164,856
  5. Step 5: Solve for x
    x = 7,625,607,076,164,856/99,942,970.44
  6. Step 6: Final answer
    x = 76,299,584.08

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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.