Home / 161,497,851.40-242,246,777.10-79,655,937.40

Finding the Fourth Proportional to 161,497,851.40, 242,246,777.10 and 79,655,937.40

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Solution

The fourth proportional to 161,497,851.40, 242,246,777.10 and 79,655,937.40 is: 119,483,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,497,851.40 : 242,246,777.10 = 79,655,937.40 : x
  2. Step 2: Convert to fraction form
    161,497,851.40/242,246,777.10 = 79,655,937.40/x
  3. Step 3: Cross multiply
    161,497,851.40x = 242,246,777.10 × 79,655,937.40
  4. Step 4: Simplify right side
    161,497,851.40x = 19,296,394,112,029,356
  5. Step 5: Solve for x
    x = 19,296,394,112,029,356/161,497,851.40
  6. Step 6: Final answer
    x = 119,483,906.10

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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.