Home / 131,430,625.91-197,104,011.63-45,148,227.11

Finding the Fourth Proportional to 131,430,625.91, 197,104,011.63 and 45,148,227.11

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Solution

The fourth proportional to 131,430,625.91, 197,104,011.63 and 45,148,227.11 is: 67,707,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430,625.91 : 197,104,011.63 = 45,148,227.11 : x
  2. Step 2: Convert to fraction form
    131,430,625.91/197,104,011.63 = 45,148,227.11/x
  3. Step 3: Cross multiply
    131,430,625.91x = 197,104,011.63 × 45,148,227.11
  4. Step 4: Simplify right side
    131,430,625.91x = 8,898,896,681,363,321
  5. Step 5: Solve for x
    x = 8,898,896,681,363,321/131,430,625.91
  6. Step 6: Final answer
    x = 67,707,938.08

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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.