Home / 191,116,843,274.68-286,713,029,791.94-70,106,521,836.77

Finding the Fourth Proportional to 191,116,843,274.68, 286,713,029,791.94 and 70,106,521,836.77

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Solution

The fourth proportional to 191,116,843,274.68, 286,713,029,791.94 and 70,106,521,836.77 is: 105,173,635,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116,843,274.68 : 286,713,029,791.94 = 70,106,521,836.77 : x
  2. Step 2: Convert to fraction form
    191,116,843,274.68/286,713,029,791.94 = 70,106,521,836.77/x
  3. Step 3: Cross multiply
    191,116,843,274.68x = 286,713,029,791.94 × 70,106,521,836.77
  4. Step 4: Simplify right side
    191,116,843,274.68x = 20,100,453,283,995,131,576,320
  5. Step 5: Solve for x
    x = 20,100,453,283,995,131,576,320/191,116,843,274.68
  6. Step 6: Final answer
    x = 105,173,635,874.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.