Home / 139,824,154.36-192,980,061.54-84,125,871.64

Finding the Fourth Proportional to 139,824,154.36, 192,980,061.54 and 84,125,871.64

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Solution

The fourth proportional to 139,824,154.36, 192,980,061.54 and 84,125,871.64 is: 116,107,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,824,154.36 : 192,980,061.54 = 84,125,871.64 : x
  2. Step 2: Convert to fraction form
    139,824,154.36/192,980,061.54 = 84,125,871.64/x
  3. Step 3: Cross multiply
    139,824,154.36x = 192,980,061.54 × 84,125,871.64
  4. Step 4: Simplify right side
    139,824,154.36x = 16,234,615,886,193,340
  5. Step 5: Solve for x
    x = 16,234,615,886,193,340/139,824,154.36
  6. Step 6: Final answer
    x = 116,107,377.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.