Home / 103,839,729.95-143,342,950.18-64,700,844.44

Finding the Fourth Proportional to 103,839,729.95, 143,342,950.18 and 64,700,844.44

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Solution

The fourth proportional to 103,839,729.95, 143,342,950.18 and 64,700,844.44 is: 89,314,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,729.95 : 143,342,950.18 = 64,700,844.44 : x
  2. Step 2: Convert to fraction form
    103,839,729.95/143,342,950.18 = 64,700,844.44/x
  3. Step 3: Cross multiply
    103,839,729.95x = 143,342,950.18 × 64,700,844.44
  4. Step 4: Simplify right side
    103,839,729.95x = 9,274,409,921,166,850
  5. Step 5: Solve for x
    x = 9,274,409,921,166,850/103,839,729.95
  6. Step 6: Final answer
    x = 89,314,657.56

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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.