Home / 117,077,172,918.51-175,491,813,124.70-39,380,885,764.69

Finding the Fourth Proportional to 117,077,172,918.51, 175,491,813,124.70 and 39,380,885,764.69

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Solution

The fourth proportional to 117,077,172,918.51, 175,491,813,124.70 and 39,380,885,764.69 is: 59,029,637,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077,172,918.51 : 175,491,813,124.70 = 39,380,885,764.69 : x
  2. Step 2: Convert to fraction form
    117,077,172,918.51/175,491,813,124.70 = 39,380,885,764.69/x
  3. Step 3: Cross multiply
    117,077,172,918.51x = 175,491,813,124.70 × 39,380,885,764.69
  4. Step 4: Simplify right side
    117,077,172,918.51x = 6,911,023,045,302,136,340,480
  5. Step 5: Solve for x
    x = 6,911,023,045,302,136,340,480/117,077,172,918.51
  6. Step 6: Final answer
    x = 59,029,637,230.07

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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.