Home / 81,878,894.70-112,993,420.95-44,709,433.07

Finding the Fourth Proportional to 81,878,894.70, 112,993,420.95 and 44,709,433.07

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Solution

The fourth proportional to 81,878,894.70, 112,993,420.95 and 44,709,433.07 is: 61,699,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,878,894.70 : 112,993,420.95 = 44,709,433.07 : x
  2. Step 2: Convert to fraction form
    81,878,894.70/112,993,420.95 = 44,709,433.07/x
  3. Step 3: Cross multiply
    81,878,894.70x = 112,993,420.95 × 44,709,433.07
  4. Step 4: Simplify right side
    81,878,894.70x = 5,051,871,790,749,394
  5. Step 5: Solve for x
    x = 5,051,871,790,749,394/81,878,894.70
  6. Step 6: Final answer
    x = 61,699,315.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.