Home / 84,814,721.09-117,049,314.71-63,869,800.91

Finding the Fourth Proportional to 84,814,721.09, 117,049,314.71 and 63,869,800.91

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Solution

The fourth proportional to 84,814,721.09, 117,049,314.71 and 63,869,800.91 is: 88,144,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814,721.09 : 117,049,314.71 = 63,869,800.91 : x
  2. Step 2: Convert to fraction form
    84,814,721.09/117,049,314.71 = 63,869,800.91/x
  3. Step 3: Cross multiply
    84,814,721.09x = 117,049,314.71 × 63,869,800.91
  4. Step 4: Simplify right side
    84,814,721.09x = 7,475,916,426,275,039
  5. Step 5: Solve for x
    x = 7,475,916,426,275,039/84,814,721.09
  6. Step 6: Final answer
    x = 88,144,090.21

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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.