Home / 79,233,205.20-118,849,807.80-68,273,710.80

Finding the Fourth Proportional to 79,233,205.20, 118,849,807.80 and 68,273,710.80

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Solution

The fourth proportional to 79,233,205.20, 118,849,807.80 and 68,273,710.80 is: 102,410,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,233,205.20 : 118,849,807.80 = 68,273,710.80 : x
  2. Step 2: Convert to fraction form
    79,233,205.20/118,849,807.80 = 68,273,710.80/x
  3. Step 3: Cross multiply
    79,233,205.20x = 118,849,807.80 × 68,273,710.80
  4. Step 4: Simplify right side
    79,233,205.20x = 8,114,317,406,372,784
  5. Step 5: Solve for x
    x = 8,114,317,406,372,784/79,233,205.20
  6. Step 6: Final answer
    x = 102,410,566.20

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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.