Home / 101,920,636.80-140,666,453.10-60,109,297.74

Finding the Fourth Proportional to 101,920,636.80, 140,666,453.10 and 60,109,297.74

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Solution

The fourth proportional to 101,920,636.80, 140,666,453.10 and 60,109,297.74 is: 82,960,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,920,636.80 : 140,666,453.10 = 60,109,297.74 : x
  2. Step 2: Convert to fraction form
    101,920,636.80/140,666,453.10 = 60,109,297.74/x
  3. Step 3: Cross multiply
    101,920,636.80x = 140,666,453.10 × 60,109,297.74
  4. Step 4: Simplify right side
    101,920,636.80x = 8,455,361,711,417,646
  5. Step 5: Solve for x
    x = 8,455,361,711,417,646/101,920,636.80
  6. Step 6: Final answer
    x = 82,960,251.99

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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.