Home / 191,932,735,191.72-264,739,639,636.46-123,430,754,738.32

Finding the Fourth Proportional to 191,932,735,191.72, 264,739,639,636.46 and 123,430,754,738.32

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Solution

The fourth proportional to 191,932,735,191.72, 264,739,639,636.46 and 123,430,754,738.32 is: 170,252,424,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,932,735,191.72 : 264,739,639,636.46 = 123,430,754,738.32 : x
  2. Step 2: Convert to fraction form
    191,932,735,191.72/264,739,639,636.46 = 123,430,754,738.32/x
  3. Step 3: Cross multiply
    191,932,735,191.72x = 264,739,639,636.46 × 123,430,754,738.32
  4. Step 4: Simplify right side
    191,932,735,191.72x = 32,677,013,529,479,113,342,976
  5. Step 5: Solve for x
    x = 32,677,013,529,479,113,342,976/191,932,735,191.72
  6. Step 6: Final answer
    x = 170,252,424,615.52

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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.