Home / 137,737,395.86-190,086,195.93-75,857,718.02

Finding the Fourth Proportional to 137,737,395.86, 190,086,195.93 and 75,857,718.02

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Solution

The fourth proportional to 137,737,395.86, 190,086,195.93 and 75,857,718.02 is: 104,688,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,737,395.86 : 190,086,195.93 = 75,857,718.02 : x
  2. Step 2: Convert to fraction form
    137,737,395.86/190,086,195.93 = 75,857,718.02/x
  3. Step 3: Cross multiply
    137,737,395.86x = 190,086,195.93 × 75,857,718.02
  4. Step 4: Simplify right side
    137,737,395.86x = 14,419,505,050,352,412
  5. Step 5: Solve for x
    x = 14,419,505,050,352,412/137,737,395.86
  6. Step 6: Final answer
    x = 104,688,381.54

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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.