Home / 67,628,243,012.61-101,354,118,740.79-37,781,368,540.05

Finding the Fourth Proportional to 67,628,243,012.61, 101,354,118,740.79 and 37,781,368,540.05

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Solution

The fourth proportional to 67,628,243,012.61, 101,354,118,740.79 and 37,781,368,540.05 is: 56,622,753,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,628,243,012.61 : 101,354,118,740.79 = 37,781,368,540.05 : x
  2. Step 2: Convert to fraction form
    67,628,243,012.61/101,354,118,740.79 = 37,781,368,540.05/x
  3. Step 3: Cross multiply
    67,628,243,012.61x = 101,354,118,740.79 × 37,781,368,540.05
  4. Step 4: Simplify right side
    67,628,243,012.61x = 3,829,297,313,197,775,650,816
  5. Step 5: Solve for x
    x = 3,829,297,313,197,775,650,816/67,628,243,012.61
  6. Step 6: Final answer
    x = 56,622,753,196.23

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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.