Home / 117,696,818.96-162,419,065.08-68,139,282.32

Finding the Fourth Proportional to 117,696,818.96, 162,419,065.08 and 68,139,282.32

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Solution

The fourth proportional to 117,696,818.96, 162,419,065.08 and 68,139,282.32 is: 94,030,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696,818.96 : 162,419,065.08 = 68,139,282.32 : x
  2. Step 2: Convert to fraction form
    117,696,818.96/162,419,065.08 = 68,139,282.32/x
  3. Step 3: Cross multiply
    117,696,818.96x = 162,419,065.08 × 68,139,282.32
  4. Step 4: Simplify right side
    117,696,818.96x = 11,067,118,529,636,574
  5. Step 5: Solve for x
    x = 11,067,118,529,636,574/117,696,818.96
  6. Step 6: Final answer
    x = 94,030,736.15

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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.