Home / 74,914,108.80-103,389,860.16-42,321,160.32

Finding the Fourth Proportional to 74,914,108.80, 103,389,860.16 and 42,321,160.32

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Solution

The fourth proportional to 74,914,108.80, 103,389,860.16 and 42,321,160.32 is: 58,407,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914,108.80 : 103,389,860.16 = 42,321,160.32 : x
  2. Step 2: Convert to fraction form
    74,914,108.80/103,389,860.16 = 42,321,160.32/x
  3. Step 3: Cross multiply
    74,914,108.80x = 103,389,860.16 × 42,321,160.32
  4. Step 4: Simplify right side
    74,914,108.80x = 4,375,578,847,293,740.50
  5. Step 5: Solve for x
    x = 4,375,578,847,293,740.50/74,914,108.80
  6. Step 6: Final answer
    x = 58,407,941.01

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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.