Home / 86,092,121.84-129,212,804.65-45,180,465.06

Finding the Fourth Proportional to 86,092,121.84, 129,212,804.65 and 45,180,465.06

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Solution

The fourth proportional to 86,092,121.84, 129,212,804.65 and 45,180,465.06 is: 67,809,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,092,121.84 : 129,212,804.65 = 45,180,465.06 : x
  2. Step 2: Convert to fraction form
    86,092,121.84/129,212,804.65 = 45,180,465.06/x
  3. Step 3: Cross multiply
    86,092,121.84x = 129,212,804.65 × 45,180,465.06
  4. Step 4: Simplify right side
    86,092,121.84x = 5,837,894,605,793,931
  5. Step 5: Solve for x
    x = 5,837,894,605,793,931/86,092,121.84
  6. Step 6: Final answer
    x = 67,809,858.57

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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.