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Finding the Fourth Proportional to 100,602,330.80, 150,903,496.20 and 35,908,246.40

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Solution

The fourth proportional to 100,602,330.80, 150,903,496.20 and 35,908,246.40 is: 53,862,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,330.80 : 150,903,496.20 = 35,908,246.40 : x
  2. Step 2: Convert to fraction form
    100,602,330.80/150,903,496.20 = 35,908,246.40/x
  3. Step 3: Cross multiply
    100,602,330.80x = 150,903,496.20 × 35,908,246.40
  4. Step 4: Simplify right side
    100,602,330.80x = 5,418,679,924,171,063
  5. Step 5: Solve for x
    x = 5,418,679,924,171,063/100,602,330.80
  6. Step 6: Final answer
    x = 53,862,369.60

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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.