Home / 131,055,230,044.92-180,804,756,555.49-76,113,049,919.26

Finding the Fourth Proportional to 131,055,230,044.92, 180,804,756,555.49 and 76,113,049,919.26

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Solution

The fourth proportional to 131,055,230,044.92, 180,804,756,555.49 and 76,113,049,919.26 is: 105,006,121,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055,230,044.92 : 180,804,756,555.49 = 76,113,049,919.26 : x
  2. Step 2: Convert to fraction form
    131,055,230,044.92/180,804,756,555.49 = 76,113,049,919.26/x
  3. Step 3: Cross multiply
    131,055,230,044.92x = 180,804,756,555.49 × 76,113,049,919.26
  4. Step 4: Simplify right side
    131,055,230,044.92x = 13,761,601,461,346,757,509,120
  5. Step 5: Solve for x
    x = 13,761,601,461,346,757,509,120/131,055,230,044.92
  6. Step 6: Final answer
    x = 105,006,121,897.08

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1.5x scale

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.