Home / 299,448,037.80-449,172,056.70-72,513,253.80

Finding the Fourth Proportional to 299,448,037.80, 449,172,056.70 and 72,513,253.80

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Solution

The fourth proportional to 299,448,037.80, 449,172,056.70 and 72,513,253.80 is: 108,769,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,037.80 : 449,172,056.70 = 72,513,253.80 : x
  2. Step 2: Convert to fraction form
    299,448,037.80/449,172,056.70 = 72,513,253.80/x
  3. Step 3: Cross multiply
    299,448,037.80x = 449,172,056.70 × 72,513,253.80
  4. Step 4: Simplify right side
    299,448,037.80x = 32,570,927,347,355,088
  5. Step 5: Solve for x
    x = 32,570,927,347,355,088/299,448,037.80
  6. Step 6: Final answer
    x = 108,769,880.70

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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.