Home / 103,972,054.79-143,480,909.34-56,928,273.53

Finding the Fourth Proportional to 103,972,054.79, 143,480,909.34 and 56,928,273.53

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Solution

The fourth proportional to 103,972,054.79, 143,480,909.34 and 56,928,273.53 is: 78,560,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972,054.79 : 143,480,909.34 = 56,928,273.53 : x
  2. Step 2: Convert to fraction form
    103,972,054.79/143,480,909.34 = 56,928,273.53/x
  3. Step 3: Cross multiply
    103,972,054.79x = 143,480,909.34 × 56,928,273.53
  4. Step 4: Simplify right side
    103,972,054.79x = 8,168,120,452,523,247
  5. Step 5: Solve for x
    x = 8,168,120,452,523,247/103,972,054.79
  6. Step 6: Final answer
    x = 78,560,729.31

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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.