Home / 100,498,045.80-150,747,068.70-39,913,771.80

Finding the Fourth Proportional to 100,498,045.80, 150,747,068.70 and 39,913,771.80

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Solution

The fourth proportional to 100,498,045.80, 150,747,068.70 and 39,913,771.80 is: 59,870,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,498,045.80 : 150,747,068.70 = 39,913,771.80 : x
  2. Step 2: Convert to fraction form
    100,498,045.80/150,747,068.70 = 39,913,771.80/x
  3. Step 3: Cross multiply
    100,498,045.80x = 150,747,068.70 × 39,913,771.80
  4. Step 4: Simplify right side
    100,498,045.80x = 6,016,884,099,610,722
  5. Step 5: Solve for x
    x = 6,016,884,099,610,722/100,498,045.80
  6. Step 6: Final answer
    x = 59,870,657.70

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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.