Home / 137,813,976.52-190,180,882.48-75,090,593.67

Finding the Fourth Proportional to 137,813,976.52, 190,180,882.48 and 75,090,593.67

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Solution

The fourth proportional to 137,813,976.52, 190,180,882.48 and 75,090,593.67 is: 103,623,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,813,976.52 : 190,180,882.48 = 75,090,593.67 : x
  2. Step 2: Convert to fraction form
    137,813,976.52/190,180,882.48 = 75,090,593.67/x
  3. Step 3: Cross multiply
    137,813,976.52x = 190,180,882.48 × 75,090,593.67
  4. Step 4: Simplify right side
    137,813,976.52x = 14,280,795,369,347,970
  5. Step 5: Solve for x
    x = 14,280,795,369,347,970/137,813,976.52
  6. Step 6: Final answer
    x = 103,623,708.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.