Home / 157,464,000.10-236,196,000.15-79,979,902.30

Finding the Fourth Proportional to 157,464,000.10, 236,196,000.15 and 79,979,902.30

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Solution

The fourth proportional to 157,464,000.10, 236,196,000.15 and 79,979,902.30 is: 119,969,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,000.10 : 236,196,000.15 = 79,979,902.30 : x
  2. Step 2: Convert to fraction form
    157,464,000.10/236,196,000.15 = 79,979,902.30/x
  3. Step 3: Cross multiply
    157,464,000.10x = 236,196,000.15 × 79,979,902.30
  4. Step 4: Simplify right side
    157,464,000.10x = 18,890,933,015,647,784
  5. Step 5: Solve for x
    x = 18,890,933,015,647,784/157,464,000.10
  6. Step 6: Final answer
    x = 119,969,853.45

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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.