Home / 117,048,901.99-161,527,428.59-70,005,974.64

Finding the Fourth Proportional to 117,048,901.99, 161,527,428.59 and 70,005,974.64

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Solution

The fourth proportional to 117,048,901.99, 161,527,428.59 and 70,005,974.64 is: 96,608,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,901.99 : 161,527,428.59 = 70,005,974.64 : x
  2. Step 2: Convert to fraction form
    117,048,901.99/161,527,428.59 = 70,005,974.64/x
  3. Step 3: Cross multiply
    117,048,901.99x = 161,527,428.59 × 70,005,974.64
  4. Step 4: Simplify right side
    117,048,901.99x = 11,307,885,069,488,786
  5. Step 5: Solve for x
    x = 11,307,885,069,488,786/117,048,901.99
  6. Step 6: Final answer
    x = 96,608,211.42

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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.