Home / 137,780,897.05-190,137,554.10-75,901,235.61

Finding the Fourth Proportional to 137,780,897.05, 190,137,554.10 and 75,901,235.61

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Solution

The fourth proportional to 137,780,897.05, 190,137,554.10 and 75,901,235.61 is: 104,743,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,780,897.05 : 190,137,554.10 = 75,901,235.61 : x
  2. Step 2: Convert to fraction form
    137,780,897.05/190,137,554.10 = 75,901,235.61/x
  3. Step 3: Cross multiply
    137,780,897.05x = 190,137,554.10 × 75,901,235.61
  4. Step 4: Simplify right side
    137,780,897.05x = 14,431,675,293,050,866
  5. Step 5: Solve for x
    x = 14,431,675,293,050,866/137,780,897.05
  6. Step 6: Final answer
    x = 104,743,658.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.