Home / 125,807,718,128.98-188,738,080,633.62-40,810,875,839.20

Finding the Fourth Proportional to 125,807,718,128.98, 188,738,080,633.62 and 40,810,875,839.20

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Solution

The fourth proportional to 125,807,718,128.98, 188,738,080,633.62 and 40,810,875,839.20 is: 61,224,911,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807,718,128.98 : 188,738,080,633.62 = 40,810,875,839.20 : x
  2. Step 2: Convert to fraction form
    125,807,718,128.98/188,738,080,633.62 = 40,810,875,839.20/x
  3. Step 3: Cross multiply
    125,807,718,128.98x = 188,738,080,633.62 × 40,810,875,839.20
  4. Step 4: Simplify right side
    125,807,718,128.98x = 7,702,566,374,867,583,631,360
  5. Step 5: Solve for x
    x = 7,702,566,374,867,583,631,360/125,807,718,128.98
  6. Step 6: Final answer
    x = 61,224,911,232.96

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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.