Home / 123,786,021.40-185,679,032.10-32,918,795.80

Finding the Fourth Proportional to 123,786,021.40, 185,679,032.10 and 32,918,795.80

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Solution

The fourth proportional to 123,786,021.40, 185,679,032.10 and 32,918,795.80 is: 49,378,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,786,021.40 : 185,679,032.10 = 32,918,795.80 : x
  2. Step 2: Convert to fraction form
    123,786,021.40/185,679,032.10 = 32,918,795.80/x
  3. Step 3: Cross multiply
    123,786,021.40x = 185,679,032.10 × 32,918,795.80
  4. Step 4: Simplify right side
    123,786,021.40x = 6,112,330,142,041,545
  5. Step 5: Solve for x
    x = 6,112,330,142,041,545/123,786,021.40
  6. Step 6: Final answer
    x = 49,378,193.70

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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.