Home / 117,173,059.92-175,798,660.74-77,935,998.96

Finding the Fourth Proportional to 117,173,059.92, 175,798,660.74 and 77,935,998.96

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Solution

The fourth proportional to 117,173,059.92, 175,798,660.74 and 77,935,998.96 is: 116,929,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,173,059.92 : 175,798,660.74 = 77,935,998.96 : x
  2. Step 2: Convert to fraction form
    117,173,059.92/175,798,660.74 = 77,935,998.96/x
  3. Step 3: Cross multiply
    117,173,059.92x = 175,798,660.74 × 77,935,998.96
  4. Step 4: Simplify right side
    117,173,059.92x = 13,701,044,240,602,032
  5. Step 5: Solve for x
    x = 13,701,044,240,602,032/117,173,059.92
  6. Step 6: Final answer
    x = 116,929,985.87

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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.