Home / 124,523,772.30-186,785,658.45-79,286,114.70

Finding the Fourth Proportional to 124,523,772.30, 186,785,658.45 and 79,286,114.70

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Solution

The fourth proportional to 124,523,772.30, 186,785,658.45 and 79,286,114.70 is: 118,929,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523,772.30 : 186,785,658.45 = 79,286,114.70 : x
  2. Step 2: Convert to fraction form
    124,523,772.30/186,785,658.45 = 79,286,114.70/x
  3. Step 3: Cross multiply
    124,523,772.30x = 186,785,658.45 × 79,286,114.70
  4. Step 4: Simplify right side
    124,523,772.30x = 14,809,509,140,181,724
  5. Step 5: Solve for x
    x = 14,809,509,140,181,724/124,523,772.30
  6. Step 6: Final answer
    x = 118,929,172.05

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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.