Home / 149,205,186,712.44-223,744,071,145.14-86,363,861,372.28

Finding the Fourth Proportional to 149,205,186,712.44, 223,744,071,145.14 and 86,363,861,372.28

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Solution

The fourth proportional to 149,205,186,712.44, 223,744,071,145.14 and 86,363,861,372.28 is: 129,508,915,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205,186,712.44 : 223,744,071,145.14 = 86,363,861,372.28 : x
  2. Step 2: Convert to fraction form
    149,205,186,712.44/223,744,071,145.14 = 86,363,861,372.28/x
  3. Step 3: Cross multiply
    149,205,186,712.44x = 223,744,071,145.14 × 86,363,861,372.28
  4. Step 4: Simplify right side
    149,205,186,712.44x = 19,323,401,943,248,424,402,944
  5. Step 5: Solve for x
    x = 19,323,401,943,248,424,402,944/149,205,186,712.44
  6. Step 6: Final answer
    x = 129,508,915,668.53

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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.