Home / 145,859,807.92-201,348,512.76-90,882,826.96

Finding the Fourth Proportional to 145,859,807.92, 201,348,512.76 and 90,882,826.96

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Solution

The fourth proportional to 145,859,807.92, 201,348,512.76 and 90,882,826.96 is: 125,456,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859,807.92 : 201,348,512.76 = 90,882,826.96 : x
  2. Step 2: Convert to fraction form
    145,859,807.92/201,348,512.76 = 90,882,826.96/x
  3. Step 3: Cross multiply
    145,859,807.92x = 201,348,512.76 × 90,882,826.96
  4. Step 4: Simplify right side
    145,859,807.92x = 18,299,122,043,820,428
  5. Step 5: Solve for x
    x = 18,299,122,043,820,428/145,859,807.92
  6. Step 6: Final answer
    x = 125,456,918.56

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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.