Home / 103,818,134.80-155,559,240.60-65,410,915.60

Finding the Fourth Proportional to 103,818,134.80, 155,559,240.60 and 65,410,915.60

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Solution

The fourth proportional to 103,818,134.80, 155,559,240.60 and 65,410,915.60 is: 98,010,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,818,134.80 : 155,559,240.60 = 65,410,915.60 : x
  2. Step 2: Convert to fraction form
    103,818,134.80/155,559,240.60 = 65,410,915.60/x
  3. Step 3: Cross multiply
    103,818,134.80x = 155,559,240.60 × 65,410,915.60
  4. Step 4: Simplify right side
    103,818,134.80x = 10,175,272,357,686,694
  5. Step 5: Solve for x
    x = 10,175,272,357,686,694/103,818,134.80
  6. Step 6: Final answer
    x = 98,010,548.71

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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.