Home / 146,782,657.20-220,173,985.80-98,409,716.40

Finding the Fourth Proportional to 146,782,657.20, 220,173,985.80 and 98,409,716.40

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Solution

The fourth proportional to 146,782,657.20, 220,173,985.80 and 98,409,716.40 is: 147,614,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,782,657.20 : 220,173,985.80 = 98,409,716.40 : x
  2. Step 2: Convert to fraction form
    146,782,657.20/220,173,985.80 = 98,409,716.40/x
  3. Step 3: Cross multiply
    146,782,657.20x = 220,173,985.80 × 98,409,716.40
  4. Step 4: Simplify right side
    146,782,657.20x = 21,667,259,501,235,628
  5. Step 5: Solve for x
    x = 21,667,259,501,235,628/146,782,657.20
  6. Step 6: Final answer
    x = 147,614,574.60

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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.