Home / 84,013,946.40-125,740,983.60-60,919,226.40

Finding the Fourth Proportional to 84,013,946.40, 125,740,983.60 and 60,919,226.40

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Solution

The fourth proportional to 84,013,946.40, 125,740,983.60 and 60,919,226.40 is: 91,175,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013,946.40 : 125,740,983.60 = 60,919,226.40 : x
  2. Step 2: Convert to fraction form
    84,013,946.40/125,740,983.60 = 60,919,226.40/x
  3. Step 3: Cross multiply
    84,013,946.40x = 125,740,983.60 × 60,919,226.40
  4. Step 4: Simplify right side
    84,013,946.40x = 7,660,043,447,687,086
  5. Step 5: Solve for x
    x = 7,660,043,447,687,086/84,013,946.40
  6. Step 6: Final answer
    x = 91,175,855.63

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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.