Home / 79,716,704.40-119,575,056.60-72,914,259.60

Finding the Fourth Proportional to 79,716,704.40, 119,575,056.60 and 72,914,259.60

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Solution

The fourth proportional to 79,716,704.40, 119,575,056.60 and 72,914,259.60 is: 109,371,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716,704.40 : 119,575,056.60 = 72,914,259.60 : x
  2. Step 2: Convert to fraction form
    79,716,704.40/119,575,056.60 = 72,914,259.60/x
  3. Step 3: Cross multiply
    79,716,704.40x = 119,575,056.60 × 72,914,259.60
  4. Step 4: Simplify right side
    79,716,704.40x = 8,718,726,718,617,092
  5. Step 5: Solve for x
    x = 8,718,726,718,617,092/79,716,704.40
  6. Step 6: Final answer
    x = 109,371,389.40

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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.