Home / 133,057,392.60-199,586,088.90-42,180,835.80

Finding the Fourth Proportional to 133,057,392.60, 199,586,088.90 and 42,180,835.80

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Solution

The fourth proportional to 133,057,392.60, 199,586,088.90 and 42,180,835.80 is: 63,271,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057,392.60 : 199,586,088.90 = 42,180,835.80 : x
  2. Step 2: Convert to fraction form
    133,057,392.60/199,586,088.90 = 42,180,835.80/x
  3. Step 3: Cross multiply
    133,057,392.60x = 199,586,088.90 × 42,180,835.80
  4. Step 4: Simplify right side
    133,057,392.60x = 8,418,708,043,855,102
  5. Step 5: Solve for x
    x = 8,418,708,043,855,102/133,057,392.60
  6. Step 6: Final answer
    x = 63,271,253.70

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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.