Home / 137,851,845.84-190,226,999.88-75,968,727.12

Finding the Fourth Proportional to 137,851,845.84, 190,226,999.88 and 75,968,727.12

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Solution

The fourth proportional to 137,851,845.84, 190,226,999.88 and 75,968,727.12 is: 104,832,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851,845.84 : 190,226,999.88 = 75,968,727.12 : x
  2. Step 2: Convert to fraction form
    137,851,845.84/190,226,999.88 = 75,968,727.12/x
  3. Step 3: Cross multiply
    137,851,845.84x = 190,226,999.88 × 75,968,727.12
  4. Step 4: Simplify right side
    137,851,845.84x = 14,451,303,044,739,994
  5. Step 5: Solve for x
    x = 14,451,303,044,739,994/137,851,845.84
  6. Step 6: Final answer
    x = 104,832,133.05

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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.