Home / 201,079,877.60-301,619,816.40-99,043,205.60

Finding the Fourth Proportional to 201,079,877.60, 301,619,816.40 and 99,043,205.60

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Solution

The fourth proportional to 201,079,877.60, 301,619,816.40 and 99,043,205.60 is: 148,564,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,079,877.60 : 301,619,816.40 = 99,043,205.60 : x
  2. Step 2: Convert to fraction form
    201,079,877.60/301,619,816.40 = 99,043,205.60/x
  3. Step 3: Cross multiply
    201,079,877.60x = 301,619,816.40 × 99,043,205.60
  4. Step 4: Simplify right side
    201,079,877.60x = 29,873,393,488,739,448
  5. Step 5: Solve for x
    x = 29,873,393,488,739,448/201,079,877.60
  6. Step 6: Final answer
    x = 148,564,808.40

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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.