Home / 79,612,284.51-109,898,851.34-53,521,934.63

Finding the Fourth Proportional to 79,612,284.51, 109,898,851.34 and 53,521,934.63

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Solution

The fourth proportional to 79,612,284.51, 109,898,851.34 and 53,521,934.63 is: 73,883,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,612,284.51 : 109,898,851.34 = 53,521,934.63 : x
  2. Step 2: Convert to fraction form
    79,612,284.51/109,898,851.34 = 53,521,934.63/x
  3. Step 3: Cross multiply
    79,612,284.51x = 109,898,851.34 × 53,521,934.63
  4. Step 4: Simplify right side
    79,612,284.51x = 5,881,999,136,915,879
  5. Step 5: Solve for x
    x = 5,881,999,136,915,879/79,612,284.51
  6. Step 6: Final answer
    x = 73,883,059.29

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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.