Home / 125,807,718,127.22-188,738,080,630.98-40,810,875,837.45

Finding the Fourth Proportional to 125,807,718,127.22, 188,738,080,630.98 and 40,810,875,837.45

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Solution

The fourth proportional to 125,807,718,127.22, 188,738,080,630.98 and 40,810,875,837.45 is: 61,224,911,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807,718,127.22 : 188,738,080,630.98 = 40,810,875,837.45 : x
  2. Step 2: Convert to fraction form
    125,807,718,127.22/188,738,080,630.98 = 40,810,875,837.45/x
  3. Step 3: Cross multiply
    125,807,718,127.22x = 188,738,080,630.98 × 40,810,875,837.45
  4. Step 4: Simplify right side
    125,807,718,127.22x = 7,702,566,374,429,551,493,120
  5. Step 5: Solve for x
    x = 7,702,566,374,429,551,493,120/125,807,718,127.22
  6. Step 6: Final answer
    x = 61,224,911,230.33

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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.