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Finding the Fourth Proportional to 100,602,129.60, 150,903,194.40 and 35,908,045.20

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Solution

The fourth proportional to 100,602,129.60, 150,903,194.40 and 35,908,045.20 is: 53,862,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,129.60 : 150,903,194.40 = 35,908,045.20 : x
  2. Step 2: Convert to fraction form
    100,602,129.60/150,903,194.40 = 35,908,045.20/x
  3. Step 3: Cross multiply
    100,602,129.60x = 150,903,194.40 × 35,908,045.20
  4. Step 4: Simplify right side
    100,602,129.60x = 5,418,638,725,339,588
  5. Step 5: Solve for x
    x = 5,418,638,725,339,588/100,602,129.60
  6. Step 6: Final answer
    x = 53,862,067.80

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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.