Home / 150,088,947.36-207,105,342-84,013,145.76

Finding the Fourth Proportional to 150,088,947.36, 207,105,342 and 84,013,145.76

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Solution

The fourth proportional to 150,088,947.36, 207,105,342 and 84,013,145.76 is: 115,928,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,088,947.36 : 207,105,342 = 84,013,145.76 : x
  2. Step 2: Convert to fraction form
    150,088,947.36/207,105,342 = 84,013,145.76/x
  3. Step 3: Cross multiply
    150,088,947.36x = 207,105,342 × 84,013,145.76
  4. Step 4: Simplify right side
    150,088,947.36x = 17,399,571,285,120,652
  5. Step 5: Solve for x
    x = 17,399,571,285,120,652/150,088,947.36
  6. Step 6: Final answer
    x = 115,928,398.40

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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.