Home / 70,613,262.78-97,447,467.93-38,824,775.47

Finding the Fourth Proportional to 70,613,262.78, 97,447,467.93 and 38,824,775.47

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Solution

The fourth proportional to 70,613,262.78, 97,447,467.93 and 38,824,775.47 is: 53,578,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613,262.78 : 97,447,467.93 = 38,824,775.47 : x
  2. Step 2: Convert to fraction form
    70,613,262.78/97,447,467.93 = 38,824,775.47/x
  3. Step 3: Cross multiply
    70,613,262.78x = 97,447,467.93 × 38,824,775.47
  4. Step 4: Simplify right side
    70,613,262.78x = 3,783,376,062,308,151.50
  5. Step 5: Solve for x
    x = 3,783,376,062,308,151.50/70,613,262.78
  6. Step 6: Final answer
    x = 53,578,830.85

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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.