Home / 101,315,455.25-139,815,447.84-54,905,709.17

Finding the Fourth Proportional to 101,315,455.25, 139,815,447.84 and 54,905,709.17

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Solution

The fourth proportional to 101,315,455.25, 139,815,447.84 and 54,905,709.17 is: 75,769,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,315,455.25 : 139,815,447.84 = 54,905,709.17 : x
  2. Step 2: Convert to fraction form
    101,315,455.25/139,815,447.84 = 54,905,709.17/x
  3. Step 3: Cross multiply
    101,315,455.25x = 139,815,447.84 × 54,905,709.17
  4. Step 4: Simplify right side
    101,315,455.25x = 7,676,666,316,925,883
  5. Step 5: Solve for x
    x = 7,676,666,316,925,883/101,315,455.25
  6. Step 6: Final answer
    x = 75,769,943.47

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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.