Home / 191,739,438.20-287,609,157.30-133,068,351.80

Finding the Fourth Proportional to 191,739,438.20, 287,609,157.30 and 133,068,351.80

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Solution

The fourth proportional to 191,739,438.20, 287,609,157.30 and 133,068,351.80 is: 199,602,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,739,438.20 : 287,609,157.30 = 133,068,351.80 : x
  2. Step 2: Convert to fraction form
    191,739,438.20/287,609,157.30 = 133,068,351.80/x
  3. Step 3: Cross multiply
    191,739,438.20x = 287,609,157.30 × 133,068,351.80
  4. Step 4: Simplify right side
    191,739,438.20x = 38,271,676,524,497,936
  5. Step 5: Solve for x
    x = 38,271,676,524,497,936/191,739,438.20
  6. Step 6: Final answer
    x = 199,602,527.70

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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.