Home / 114,957,611.70-172,436,417.55-103,620,203.70

Finding the Fourth Proportional to 114,957,611.70, 172,436,417.55 and 103,620,203.70

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Solution

The fourth proportional to 114,957,611.70, 172,436,417.55 and 103,620,203.70 is: 155,430,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,957,611.70 : 172,436,417.55 = 103,620,203.70 : x
  2. Step 2: Convert to fraction form
    114,957,611.70/172,436,417.55 = 103,620,203.70/x
  3. Step 3: Cross multiply
    114,957,611.70x = 172,436,417.55 × 103,620,203.70
  4. Step 4: Simplify right side
    114,957,611.70x = 17,867,896,711,829,256
  5. Step 5: Solve for x
    x = 17,867,896,711,829,256/114,957,611.70
  6. Step 6: Final answer
    x = 155,430,305.55

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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.