Home / 117,270,070.56-161,837,021.76-70,851,356.56

Finding the Fourth Proportional to 117,270,070.56, 161,837,021.76 and 70,851,356.56

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Solution

The fourth proportional to 117,270,070.56, 161,837,021.76 and 70,851,356.56 is: 97,777,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270,070.56 : 161,837,021.76 = 70,851,356.56 : x
  2. Step 2: Convert to fraction form
    117,270,070.56/161,837,021.76 = 70,851,356.56/x
  3. Step 3: Cross multiply
    117,270,070.56x = 161,837,021.76 × 70,851,356.56
  4. Step 4: Simplify right side
    117,270,070.56x = 11,466,372,533,326,238
  5. Step 5: Solve for x
    x = 11,466,372,533,326,238/117,270,070.56
  6. Step 6: Final answer
    x = 97,777,484.73

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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.