Home / 174,013,815.80-261,020,723.70-105,989,367.80

Finding the Fourth Proportional to 174,013,815.80, 261,020,723.70 and 105,989,367.80

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Solution

The fourth proportional to 174,013,815.80, 261,020,723.70 and 105,989,367.80 is: 158,984,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,013,815.80 : 261,020,723.70 = 105,989,367.80 : x
  2. Step 2: Convert to fraction form
    174,013,815.80/261,020,723.70 = 105,989,367.80/x
  3. Step 3: Cross multiply
    174,013,815.80x = 261,020,723.70 × 105,989,367.80
  4. Step 4: Simplify right side
    174,013,815.80x = 27,665,421,487,661,476
  5. Step 5: Solve for x
    x = 27,665,421,487,661,476/174,013,815.80
  6. Step 6: Final answer
    x = 158,984,051.70

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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.