Home / 131,092,436,685.07-180,905,637,342.11-73,221,661,048.98

Finding the Fourth Proportional to 131,092,436,685.07, 180,905,637,342.11 and 73,221,661,048.98

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Solution

The fourth proportional to 131,092,436,685.07, 180,905,637,342.11 and 73,221,661,048.98 is: 101,044,816,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092,436,685.07 : 180,905,637,342.11 = 73,221,661,048.98 : x
  2. Step 2: Convert to fraction form
    131,092,436,685.07/180,905,637,342.11 = 73,221,661,048.98/x
  3. Step 3: Cross multiply
    131,092,436,685.07x = 180,905,637,342.11 × 73,221,661,048.98
  4. Step 4: Simplify right side
    131,092,436,685.07x = 13,246,211,259,313,676,091,392
  5. Step 5: Solve for x
    x = 13,246,211,259,313,676,091,392/131,092,436,685.07
  6. Step 6: Final answer
    x = 101,044,816,880.90

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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.