Home / 100,887,302.20-151,330,953.30-66,449,925.40

Finding the Fourth Proportional to 100,887,302.20, 151,330,953.30 and 66,449,925.40

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Solution

The fourth proportional to 100,887,302.20, 151,330,953.30 and 66,449,925.40 is: 99,674,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887,302.20 : 151,330,953.30 = 66,449,925.40 : x
  2. Step 2: Convert to fraction form
    100,887,302.20/151,330,953.30 = 66,449,925.40/x
  3. Step 3: Cross multiply
    100,887,302.20x = 151,330,953.30 × 66,449,925.40
  4. Step 4: Simplify right side
    100,887,302.20x = 10,055,930,557,495,884
  5. Step 5: Solve for x
    x = 10,055,930,557,495,884/100,887,302.20
  6. Step 6: Final answer
    x = 99,674,888.10

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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.