Home / 101,044,136.70-151,566,205.05-68,759,095.95

Finding the Fourth Proportional to 101,044,136.70, 151,566,205.05 and 68,759,095.95

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Solution

The fourth proportional to 101,044,136.70, 151,566,205.05 and 68,759,095.95 is: 103,138,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,044,136.70 : 151,566,205.05 = 68,759,095.95 : x
  2. Step 2: Convert to fraction form
    101,044,136.70/151,566,205.05 = 68,759,095.95/x
  3. Step 3: Cross multiply
    101,044,136.70x = 151,566,205.05 × 68,759,095.95
  4. Step 4: Simplify right side
    101,044,136.70x = 10,421,555,235,810,326
  5. Step 5: Solve for x
    x = 10,421,555,235,810,326/101,044,136.70
  6. Step 6: Final answer
    x = 103,138,643.93

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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.