Home / 81,869,403.11-112,989,683.44-46,595,784.94

Finding the Fourth Proportional to 81,869,403.11, 112,989,683.44 and 46,595,784.94

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Solution

The fourth proportional to 81,869,403.11, 112,989,683.44 and 46,595,784.94 is: 64,307,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,403.11 : 112,989,683.44 = 46,595,784.94 : x
  2. Step 2: Convert to fraction form
    81,869,403.11/112,989,683.44 = 46,595,784.94/x
  3. Step 3: Cross multiply
    81,869,403.11x = 112,989,683.44 × 46,595,784.94
  4. Step 4: Simplify right side
    81,869,403.11x = 5,264,842,990,008,919
  5. Step 5: Solve for x
    x = 5,264,842,990,008,919/81,869,403.11
  6. Step 6: Final answer
    x = 64,307,821.85

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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.