Home / 79,079,424.48-118,615,667.46-21,571,505.10

Finding the Fourth Proportional to 79,079,424.48, 118,615,667.46 and 21,571,505.10

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Solution

The fourth proportional to 79,079,424.48, 118,615,667.46 and 21,571,505.10 is: 32,356,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079,424.48 : 118,615,667.46 = 21,571,505.10 : x
  2. Step 2: Convert to fraction form
    79,079,424.48/118,615,667.46 = 21,571,505.10/x
  3. Step 3: Cross multiply
    79,079,424.48x = 118,615,667.46 × 21,571,505.10
  4. Step 4: Simplify right side
    79,079,424.48x = 2,558,718,475,553,294
  5. Step 5: Solve for x
    x = 2,558,718,475,553,294/79,079,424.48
  6. Step 6: Final answer
    x = 32,356,311.30

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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.