Home / 101,570,462.10-152,097,053.52-66,921,818.94

Finding the Fourth Proportional to 101,570,462.10, 152,097,053.52 and 66,921,818.94

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Solution

The fourth proportional to 101,570,462.10, 152,097,053.52 and 66,921,818.94 is: 100,212,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,570,462.10 : 152,097,053.52 = 66,921,818.94 : x
  2. Step 2: Convert to fraction form
    101,570,462.10/152,097,053.52 = 66,921,818.94/x
  3. Step 3: Cross multiply
    101,570,462.10x = 152,097,053.52 × 66,921,818.94
  4. Step 4: Simplify right side
    101,570,462.10x = 10,178,611,476,972,930
  5. Step 5: Solve for x
    x = 10,178,611,476,972,930/101,570,462.10
  6. Step 6: Final answer
    x = 100,212,318.29

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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.