Home / 83,232,005.10-124,848,007.65-42,921,221.10

Finding the Fourth Proportional to 83,232,005.10, 124,848,007.65 and 42,921,221.10

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Solution

The fourth proportional to 83,232,005.10, 124,848,007.65 and 42,921,221.10 is: 64,381,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,005.10 : 124,848,007.65 = 42,921,221.10 : x
  2. Step 2: Convert to fraction form
    83,232,005.10/124,848,007.65 = 42,921,221.10/x
  3. Step 3: Cross multiply
    83,232,005.10x = 124,848,007.65 × 42,921,221.10
  4. Step 4: Simplify right side
    83,232,005.10x = 5,358,628,940,240,142
  5. Step 5: Solve for x
    x = 5,358,628,940,240,142/83,232,005.10
  6. Step 6: Final answer
    x = 64,381,831.65

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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.