Home / 72,018,196.64-108,031,936.92-25,325,954.40

Finding the Fourth Proportional to 72,018,196.64, 108,031,936.92 and 25,325,954.40

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Solution

The fourth proportional to 72,018,196.64, 108,031,936.92 and 25,325,954.40 is: 37,990,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,018,196.64 : 108,031,936.92 = 25,325,954.40 : x
  2. Step 2: Convert to fraction form
    72,018,196.64/108,031,936.92 = 25,325,954.40/x
  3. Step 3: Cross multiply
    72,018,196.64x = 108,031,936.92 × 25,325,954.40
  4. Step 4: Simplify right side
    72,018,196.64x = 2,736,011,908,179,596.50
  5. Step 5: Solve for x
    x = 2,736,011,908,179,596.50/72,018,196.64
  6. Step 6: Final answer
    x = 37,990,564.00

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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.