Home / 118,932,791,540.40-164,131,216,807.68-66,798,709,517.07

Finding the Fourth Proportional to 118,932,791,540.40, 164,131,216,807.68 and 66,798,709,517.07

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Solution

The fourth proportional to 118,932,791,540.40, 164,131,216,807.68 and 66,798,709,517.07 is: 92,184,445,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,932,791,540.40 : 164,131,216,807.68 = 66,798,709,517.07 : x
  2. Step 2: Convert to fraction form
    118,932,791,540.40/164,131,216,807.68 = 66,798,709,517.07/x
  3. Step 3: Cross multiply
    118,932,791,540.40x = 164,131,216,807.68 × 66,798,709,517.07
  4. Step 4: Simplify right side
    118,932,791,540.40x = 10,963,753,474,219,453,710,336
  5. Step 5: Solve for x
    x = 10,963,753,474,219,453,710,336/118,932,791,540.40
  6. Step 6: Final answer
    x = 92,184,445,788.40

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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.