Home / 194,780,432.40-292,148,530.20-51,187,779.60

Finding the Fourth Proportional to 194,780,432.40, 292,148,530.20 and 51,187,779.60

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Solution

The fourth proportional to 194,780,432.40, 292,148,530.20 and 51,187,779.60 is: 76,775,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,780,432.40 : 292,148,530.20 = 51,187,779.60 : x
  2. Step 2: Convert to fraction form
    194,780,432.40/292,148,530.20 = 51,187,779.60/x
  3. Step 3: Cross multiply
    194,780,432.40x = 292,148,530.20 × 51,187,779.60
  4. Step 4: Simplify right side
    194,780,432.40x = 14,954,434,574,341,544
  5. Step 5: Solve for x
    x = 14,954,434,574,341,544/194,780,432.40
  6. Step 6: Final answer
    x = 76,775,856.74

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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.