Home / 135,694,970.90-187,258,918.12-73,815,161.84

Finding the Fourth Proportional to 135,694,970.90, 187,258,918.12 and 73,815,161.84

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Solution

The fourth proportional to 135,694,970.90, 187,258,918.12 and 73,815,161.84 is: 101,864,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,694,970.90 : 187,258,918.12 = 73,815,161.84 : x
  2. Step 2: Convert to fraction form
    135,694,970.90/187,258,918.12 = 73,815,161.84/x
  3. Step 3: Cross multiply
    135,694,970.90x = 187,258,918.12 × 73,815,161.84
  4. Step 4: Simplify right side
    135,694,970.90x = 13,822,547,345,890,276
  5. Step 5: Solve for x
    x = 13,822,547,345,890,276/135,694,970.90
  6. Step 6: Final answer
    x = 101,864,846.24

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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.