Home / 103,703,623.26-143,109,307.13-56,659,684.31

Finding the Fourth Proportional to 103,703,623.26, 143,109,307.13 and 56,659,684.31

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Solution

The fourth proportional to 103,703,623.26, 143,109,307.13 and 56,659,684.31 is: 78,189,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,703,623.26 : 143,109,307.13 = 56,659,684.31 : x
  2. Step 2: Convert to fraction form
    103,703,623.26/143,109,307.13 = 56,659,684.31/x
  3. Step 3: Cross multiply
    103,703,623.26x = 143,109,307.13 × 56,659,684.31
  4. Step 4: Simplify right side
    103,703,623.26x = 8,108,528,164,348,400
  5. Step 5: Solve for x
    x = 8,108,528,164,348,400/103,703,623.26
  6. Step 6: Final answer
    x = 78,189,439.38

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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.