Home / 201,017,562.35-301,440,648.66-76,498,943.15

Finding the Fourth Proportional to 201,017,562.35, 301,440,648.66 and 76,498,943.15

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Solution

The fourth proportional to 201,017,562.35, 301,440,648.66 and 76,498,943.15 is: 114,715,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017,562.35 : 301,440,648.66 = 76,498,943.15 : x
  2. Step 2: Convert to fraction form
    201,017,562.35/301,440,648.66 = 76,498,943.15/x
  3. Step 3: Cross multiply
    201,017,562.35x = 301,440,648.66 × 76,498,943.15
  4. Step 4: Simplify right side
    201,017,562.35x = 23,059,891,044,357,240
  5. Step 5: Solve for x
    x = 23,059,891,044,357,240/201,017,562.35
  6. Step 6: Final answer
    x = 114,715,802.81

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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.