Home / 99,053,636.80-136,694,018.28-55,593,572.80

Finding the Fourth Proportional to 99,053,636.80, 136,694,018.28 and 55,593,572.80

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Solution

The fourth proportional to 99,053,636.80, 136,694,018.28 and 55,593,572.80 is: 76,719,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053,636.80 : 136,694,018.28 = 55,593,572.80 : x
  2. Step 2: Convert to fraction form
    99,053,636.80/136,694,018.28 = 55,593,572.80/x
  3. Step 3: Cross multiply
    99,053,636.80x = 136,694,018.28 × 55,593,572.80
  4. Step 4: Simplify right side
    99,053,636.80x = 7,599,308,856,573,710
  5. Step 5: Solve for x
    x = 7,599,308,856,573,710/99,053,636.80
  6. Step 6: Final answer
    x = 76,719,130.18

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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.