Home / 100,393,374.70-150,596,979.92-42,042,301.64

Finding the Fourth Proportional to 100,393,374.70, 150,596,979.92 and 42,042,301.64

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Solution

The fourth proportional to 100,393,374.70, 150,596,979.92 and 42,042,301.64 is: 63,066,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393,374.70 : 150,596,979.92 = 42,042,301.64 : x
  2. Step 2: Convert to fraction form
    100,393,374.70/150,596,979.92 = 42,042,301.64/x
  3. Step 3: Cross multiply
    100,393,374.70x = 150,596,979.92 × 42,042,301.64
  4. Step 4: Simplify right side
    100,393,374.70x = 6,331,443,655,282,959
  5. Step 5: Solve for x
    x = 6,331,443,655,282,959/100,393,374.70
  6. Step 6: Final answer
    x = 63,066,349.49

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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.