Home / 191,328,112.15-264,041,156.11-107,701,638.96

Finding the Fourth Proportional to 191,328,112.15, 264,041,156.11 and 107,701,638.96

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Solution

The fourth proportional to 191,328,112.15, 264,041,156.11 and 107,701,638.96 is: 148,632,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,328,112.15 : 264,041,156.11 = 107,701,638.96 : x
  2. Step 2: Convert to fraction form
    191,328,112.15/264,041,156.11 = 107,701,638.96/x
  3. Step 3: Cross multiply
    191,328,112.15x = 264,041,156.11 × 107,701,638.96
  4. Step 4: Simplify right side
    191,328,112.15x = 28,437,665,265,940,216
  5. Step 5: Solve for x
    x = 28,437,665,265,940,216/191,328,112.15
  6. Step 6: Final answer
    x = 148,632,968.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.