Home / 131,430,638.25-197,104,030.11-45,148,239.45

Finding the Fourth Proportional to 131,430,638.25, 197,104,030.11 and 45,148,239.45

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Solution

The fourth proportional to 131,430,638.25, 197,104,030.11 and 45,148,239.45 is: 67,707,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430,638.25 : 197,104,030.11 = 45,148,239.45 : x
  2. Step 2: Convert to fraction form
    131,430,638.25/197,104,030.11 = 45,148,239.45/x
  3. Step 3: Cross multiply
    131,430,638.25x = 197,104,030.11 × 45,148,239.45
  4. Step 4: Simplify right side
    131,430,638.25x = 8,898,899,947,966,291
  5. Step 5: Solve for x
    x = 8,898,899,947,966,291/131,430,638.25
  6. Step 6: Final answer
    x = 67,707,956.58

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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.