Home / 66,640,939.40-99,975,042.86-22,916,019.15

Finding the Fourth Proportional to 66,640,939.40, 99,975,042.86 and 22,916,019.15

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Solution

The fourth proportional to 66,640,939.40, 99,975,042.86 and 22,916,019.15 is: 34,378,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640,939.40 : 99,975,042.86 = 22,916,019.15 : x
  2. Step 2: Convert to fraction form
    66,640,939.40/99,975,042.86 = 22,916,019.15/x
  3. Step 3: Cross multiply
    66,640,939.40x = 99,975,042.86 × 22,916,019.15
  4. Step 4: Simplify right side
    66,640,939.40x = 2,291,029,996,943,729.50
  5. Step 5: Solve for x
    x = 2,291,029,996,943,729.50/66,640,939.40
  6. Step 6: Final answer
    x = 34,378,717.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.