Home / 130,356,091.20-195,534,136.80-69,889,915.20

Finding the Fourth Proportional to 130,356,091.20, 195,534,136.80 and 69,889,915.20

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Solution

The fourth proportional to 130,356,091.20, 195,534,136.80 and 69,889,915.20 is: 104,834,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,356,091.20 : 195,534,136.80 = 69,889,915.20 : x
  2. Step 2: Convert to fraction form
    130,356,091.20/195,534,136.80 = 69,889,915.20/x
  3. Step 3: Cross multiply
    130,356,091.20x = 195,534,136.80 × 69,889,915.20
  4. Step 4: Simplify right side
    130,356,091.20x = 13,665,864,239,657,200
  5. Step 5: Solve for x
    x = 13,665,864,239,657,200/130,356,091.20
  6. Step 6: Final answer
    x = 104,834,872.80

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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.