Home / 52,151,806.40-78,227,320.80-15,760,126.40

Finding the Fourth Proportional to 52,151,806.40, 78,227,320.80 and 15,760,126.40

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Solution

The fourth proportional to 52,151,806.40, 78,227,320.80 and 15,760,126.40 is: 23,640,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151,806.40 : 78,227,320.80 = 15,760,126.40 : x
  2. Step 2: Convert to fraction form
    52,151,806.40/78,227,320.80 = 15,760,126.40/x
  3. Step 3: Cross multiply
    52,151,806.40x = 78,227,320.80 × 15,760,126.40
  4. Step 4: Simplify right side
    52,151,806.40x = 1,232,872,463,741,349
  5. Step 5: Solve for x
    x = 1,232,872,463,741,349/52,151,806.40
  6. Step 6: Final answer
    x = 23,640,072.11

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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.