Home / 131,430,707.52-197,104,134.06-45,148,308.72

Finding the Fourth Proportional to 131,430,707.52, 197,104,134.06 and 45,148,308.72

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Solution

The fourth proportional to 131,430,707.52, 197,104,134.06 and 45,148,308.72 is: 67,708,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430,707.52 : 197,104,134.06 = 45,148,308.72 : x
  2. Step 2: Convert to fraction form
    131,430,707.52/197,104,134.06 = 45,148,308.72/x
  3. Step 3: Cross multiply
    131,430,707.52x = 197,104,134.06 × 45,148,308.72
  4. Step 4: Simplify right side
    131,430,707.52x = 8,898,918,294,529,147
  5. Step 5: Solve for x
    x = 8,898,918,294,529,147/131,430,707.52
  6. Step 6: Final answer
    x = 67,708,060.49

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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.