Home / 72,292,706.32-99,761,136.72-39,252,199.24

Finding the Fourth Proportional to 72,292,706.32, 99,761,136.72 and 39,252,199.24

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Solution

The fourth proportional to 72,292,706.32, 99,761,136.72 and 39,252,199.24 is: 54,166,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,706.32 : 99,761,136.72 = 39,252,199.24 : x
  2. Step 2: Convert to fraction form
    72,292,706.32/99,761,136.72 = 39,252,199.24/x
  3. Step 3: Cross multiply
    72,292,706.32x = 99,761,136.72 × 39,252,199.24
  4. Step 4: Simplify right side
    72,292,706.32x = 3,915,844,014,942,320.50
  5. Step 5: Solve for x
    x = 3,915,844,014,942,320.50/72,292,706.32
  6. Step 6: Final answer
    x = 54,166,515.74

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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.