Home / 70,613,263.78-97,447,469.31-38,824,776.47

Finding the Fourth Proportional to 70,613,263.78, 97,447,469.31 and 38,824,776.47

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Solution

The fourth proportional to 70,613,263.78, 97,447,469.31 and 38,824,776.47 is: 53,578,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613,263.78 : 97,447,469.31 = 38,824,776.47 : x
  2. Step 2: Convert to fraction form
    70,613,263.78/97,447,469.31 = 38,824,776.47/x
  3. Step 3: Cross multiply
    70,613,263.78x = 97,447,469.31 × 38,824,776.47
  4. Step 4: Simplify right side
    70,613,263.78x = 3,783,376,213,527,935
  5. Step 5: Solve for x
    x = 3,783,376,213,527,935/70,613,263.78
  6. Step 6: Final answer
    x = 53,578,832.23

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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.