Home / 126,159,509.94-189,238,003.32-39,897,931.38

Finding the Fourth Proportional to 126,159,509.94, 189,238,003.32 and 39,897,931.38

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Solution

The fourth proportional to 126,159,509.94, 189,238,003.32 and 39,897,931.38 is: 59,846,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,509.94 : 189,238,003.32 = 39,897,931.38 : x
  2. Step 2: Convert to fraction form
    126,159,509.94/189,238,003.32 = 39,897,931.38/x
  3. Step 3: Cross multiply
    126,159,509.94x = 189,238,003.32 × 39,897,931.38
  4. Step 4: Simplify right side
    126,159,509.94x = 7,550,204,870,949,572
  5. Step 5: Solve for x
    x = 7,550,204,870,949,572/126,159,509.94
  6. Step 6: Final answer
    x = 59,846,498.09

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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.