Home / 78,760,638,112.11-118,141,260,089.58-19,069,200,935.34

Finding the Fourth Proportional to 78,760,638,112.11, 118,141,260,089.58 and 19,069,200,935.34

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Solution

The fourth proportional to 78,760,638,112.11, 118,141,260,089.58 and 19,069,200,935.34 is: 28,603,874,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,760,638,112.11 : 118,141,260,089.58 = 19,069,200,935.34 : x
  2. Step 2: Convert to fraction form
    78,760,638,112.11/118,141,260,089.58 = 19,069,200,935.34/x
  3. Step 3: Cross multiply
    78,760,638,112.11x = 118,141,260,089.58 × 19,069,200,935.34
  4. Step 4: Simplify right side
    78,760,638,112.11x = 2,252,859,427,402,465,148,928
  5. Step 5: Solve for x
    x = 2,252,859,427,402,465,148,928/78,760,638,112.11
  6. Step 6: Final answer
    x = 28,603,874,745.09

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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.