Home / 221,816,455.15-304,503,772.40-190,399,962.31

Finding the Fourth Proportional to 221,816,455.15, 304,503,772.40 and 190,399,962.31

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Solution

The fourth proportional to 221,816,455.15, 304,503,772.40 and 190,399,962.31 is: 261,376,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,816,455.15 : 304,503,772.40 = 190,399,962.31 : x
  2. Step 2: Convert to fraction form
    221,816,455.15/304,503,772.40 = 190,399,962.31/x
  3. Step 3: Cross multiply
    221,816,455.15x = 304,503,772.40 × 190,399,962.31
  4. Step 4: Simplify right side
    221,816,455.15x = 57,977,506,787,927,552
  5. Step 5: Solve for x
    x = 57,977,506,787,927,552/221,816,455.15
  6. Step 6: Final answer
    x = 261,376,040.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.