Home / 201,624,021.90-302,223,456.45-78,754,862.70

Finding the Fourth Proportional to 201,624,021.90, 302,223,456.45 and 78,754,862.70

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Solution

The fourth proportional to 201,624,021.90, 302,223,456.45 and 78,754,862.70 is: 118,049,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624,021.90 : 302,223,456.45 = 78,754,862.70 : x
  2. Step 2: Convert to fraction form
    201,624,021.90/302,223,456.45 = 78,754,862.70/x
  3. Step 3: Cross multiply
    201,624,021.90x = 302,223,456.45 × 78,754,862.70
  4. Step 4: Simplify right side
    201,624,021.90x = 23,801,566,817,439,180
  5. Step 5: Solve for x
    x = 23,801,566,817,439,180/201,624,021.90
  6. Step 6: Final answer
    x = 118,049,261.16

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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.