Home / 140,608,015.82-194,030,501.85-77,880,395.15

Finding the Fourth Proportional to 140,608,015.82, 194,030,501.85 and 77,880,395.15

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Solution

The fourth proportional to 140,608,015.82, 194,030,501.85 and 77,880,395.15 is: 107,470,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608,015.82 : 194,030,501.85 = 77,880,395.15 : x
  2. Step 2: Convert to fraction form
    140,608,015.82/194,030,501.85 = 77,880,395.15/x
  3. Step 3: Cross multiply
    140,608,015.82x = 194,030,501.85 × 77,880,395.15
  4. Step 4: Simplify right side
    140,608,015.82x = 15,111,172,154,260,652
  5. Step 5: Solve for x
    x = 15,111,172,154,260,652/140,608,015.82
  6. Step 6: Final answer
    x = 107,470,204.08

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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.