Home / 100,887,269.20-151,330,903.80-66,449,892.40

Finding the Fourth Proportional to 100,887,269.20, 151,330,903.80 and 66,449,892.40

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Solution

The fourth proportional to 100,887,269.20, 151,330,903.80 and 66,449,892.40 is: 99,674,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887,269.20 : 151,330,903.80 = 66,449,892.40 : x
  2. Step 2: Convert to fraction form
    100,887,269.20/151,330,903.80 = 66,449,892.40/x
  3. Step 3: Cross multiply
    100,887,269.20x = 151,330,903.80 × 66,449,892.40
  4. Step 4: Simplify right side
    100,887,269.20x = 10,055,922,274,304,752
  5. Step 5: Solve for x
    x = 10,055,922,274,304,752/100,887,269.20
  6. Step 6: Final answer
    x = 99,674,838.60

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1.5x scale

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.