Home / 131,159,009.45-196,806,603.11-53,492,893.10

Finding the Fourth Proportional to 131,159,009.45, 196,806,603.11 and 53,492,893.10

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Solution

The fourth proportional to 131,159,009.45, 196,806,603.11 and 53,492,893.10 is: 80,267,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,159,009.45 : 196,806,603.11 = 53,492,893.10 : x
  2. Step 2: Convert to fraction form
    131,159,009.45/196,806,603.11 = 53,492,893.10/x
  3. Step 3: Cross multiply
    131,159,009.45x = 196,806,603.11 × 53,492,893.10
  4. Step 4: Simplify right side
    131,159,009.45x = 10,527,754,581,761,908
  5. Step 5: Solve for x
    x = 10,527,754,581,761,908/131,159,009.45
  6. Step 6: Final answer
    x = 80,267,109.57

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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.