Home / 201,018,080.80-301,527,121.20-86,014,248.40

Finding the Fourth Proportional to 201,018,080.80, 301,527,121.20 and 86,014,248.40

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Solution

The fourth proportional to 201,018,080.80, 301,527,121.20 and 86,014,248.40 is: 129,021,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,080.80 : 301,527,121.20 = 86,014,248.40 : x
  2. Step 2: Convert to fraction form
    201,018,080.80/301,527,121.20 = 86,014,248.40/x
  3. Step 3: Cross multiply
    201,018,080.80x = 301,527,121.20 × 86,014,248.40
  4. Step 4: Simplify right side
    201,018,080.80x = 25,935,628,702,233,708
  5. Step 5: Solve for x
    x = 25,935,628,702,233,708/201,018,080.80
  6. Step 6: Final answer
    x = 129,021,372.60

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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.