Home / 142,460,513.98-196,593,580.14-79,736,593.29

Finding the Fourth Proportional to 142,460,513.98, 196,593,580.14 and 79,736,593.29

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Solution

The fourth proportional to 142,460,513.98, 196,593,580.14 and 79,736,593.29 is: 110,035,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,460,513.98 : 196,593,580.14 = 79,736,593.29 : x
  2. Step 2: Convert to fraction form
    142,460,513.98/196,593,580.14 = 79,736,593.29/x
  3. Step 3: Cross multiply
    142,460,513.98x = 196,593,580.14 × 79,736,593.29
  4. Step 4: Simplify right side
    142,460,513.98x = 15,675,702,342,011,962
  5. Step 5: Solve for x
    x = 15,675,702,342,011,962/142,460,513.98
  6. Step 6: Final answer
    x = 110,035,418.97

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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.