Home / 100,393,416.44-150,597,042.56-42,042,343.40

Finding the Fourth Proportional to 100,393,416.44, 150,597,042.56 and 42,042,343.40

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Solution

The fourth proportional to 100,393,416.44, 150,597,042.56 and 42,042,343.40 is: 63,066,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393,416.44 : 150,597,042.56 = 42,042,343.40 : x
  2. Step 2: Convert to fraction form
    100,393,416.44/150,597,042.56 = 42,042,343.40/x
  3. Step 3: Cross multiply
    100,393,416.44x = 150,597,042.56 × 42,042,343.40
  4. Step 4: Simplify right side
    100,393,416.44x = 6,331,452,578,331,935
  5. Step 5: Solve for x
    x = 6,331,452,578,331,935/100,393,416.44
  6. Step 6: Final answer
    x = 63,066,412.15

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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.