Home / 242,786,153.40-364,179,230.10-217,276,985.40

Finding the Fourth Proportional to 242,786,153.40, 364,179,230.10 and 217,276,985.40

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Solution

The fourth proportional to 242,786,153.40, 364,179,230.10 and 217,276,985.40 is: 325,915,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,786,153.40 : 364,179,230.10 = 217,276,985.40 : x
  2. Step 2: Convert to fraction form
    242,786,153.40/364,179,230.10 = 217,276,985.40/x
  3. Step 3: Cross multiply
    242,786,153.40x = 364,179,230.10 × 217,276,985.40
  4. Step 4: Simplify right side
    242,786,153.40x = 79,127,765,261,420,944
  5. Step 5: Solve for x
    x = 79,127,765,261,420,944/242,786,153.40
  6. Step 6: Final answer
    x = 325,915,478.10

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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.