Home / 179,784,002.80-269,676,004.20-103,342,812.40

Finding the Fourth Proportional to 179,784,002.80, 269,676,004.20 and 103,342,812.40

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Solution

The fourth proportional to 179,784,002.80, 269,676,004.20 and 103,342,812.40 is: 155,014,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,784,002.80 : 269,676,004.20 = 103,342,812.40 : x
  2. Step 2: Convert to fraction form
    179,784,002.80/269,676,004.20 = 103,342,812.40/x
  3. Step 3: Cross multiply
    179,784,002.80x = 269,676,004.20 × 103,342,812.40
  4. Step 4: Simplify right side
    179,784,002.80x = 27,869,076,710,822,212
  5. Step 5: Solve for x
    x = 27,869,076,710,822,212/179,784,002.80
  6. Step 6: Final answer
    x = 155,014,218.60

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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.