Home / 100,997,422.79-151,502,534.51-42,694,234.74

Finding the Fourth Proportional to 100,997,422.79, 151,502,534.51 and 42,694,234.74

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Solution

The fourth proportional to 100,997,422.79, 151,502,534.51 and 42,694,234.74 is: 64,044,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997,422.79 : 151,502,534.51 = 42,694,234.74 : x
  2. Step 2: Convert to fraction form
    100,997,422.79/151,502,534.51 = 42,694,234.74/x
  3. Step 3: Cross multiply
    100,997,422.79x = 151,502,534.51 × 42,694,234.74
  4. Step 4: Simplify right side
    100,997,422.79x = 6,468,284,771,861,420
  5. Step 5: Solve for x
    x = 6,468,284,771,861,420/100,997,422.79
  6. Step 6: Final answer
    x = 64,044,057.69

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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.