Home / 131,092,436,561.71-180,905,637,171.44-73,221,660,925.25

Finding the Fourth Proportional to 131,092,436,561.71, 180,905,637,171.44 and 73,221,660,925.25

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Solution

The fourth proportional to 131,092,436,561.71, 180,905,637,171.44 and 73,221,660,925.25 is: 101,044,816,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092,436,561.71 : 180,905,637,171.44 = 73,221,660,925.25 : x
  2. Step 2: Convert to fraction form
    131,092,436,561.71/180,905,637,171.44 = 73,221,660,925.25/x
  3. Step 3: Cross multiply
    131,092,436,561.71x = 180,905,637,171.44 × 73,221,660,925.25
  4. Step 4: Simplify right side
    131,092,436,561.71x = 13,246,211,224,432,577,347,584
  5. Step 5: Solve for x
    x = 13,246,211,224,432,577,347,584/131,092,436,561.71
  6. Step 6: Final answer
    x = 101,044,816,709.90

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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.