Home / 201,018,081.30-301,527,121.95-86,014,248.90

Finding the Fourth Proportional to 201,018,081.30, 301,527,121.95 and 86,014,248.90

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Solution

The fourth proportional to 201,018,081.30, 301,527,121.95 and 86,014,248.90 is: 129,021,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,081.30 : 301,527,121.95 = 86,014,248.90 : x
  2. Step 2: Convert to fraction form
    201,018,081.30/301,527,121.95 = 86,014,248.90/x
  3. Step 3: Cross multiply
    201,018,081.30x = 301,527,121.95 × 86,014,248.90
  4. Step 4: Simplify right side
    201,018,081.30x = 25,935,628,917,507,956
  5. Step 5: Solve for x
    x = 25,935,628,917,507,956/201,018,081.30
  6. Step 6: Final answer
    x = 129,021,373.35

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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.