Home / 81,857,123.48-112,962,255.75-44,687,403.75

Finding the Fourth Proportional to 81,857,123.48, 112,962,255.75 and 44,687,403.75

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Solution

The fourth proportional to 81,857,123.48, 112,962,255.75 and 44,687,403.75 is: 61,668,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,857,123.48 : 112,962,255.75 = 44,687,403.75 : x
  2. Step 2: Convert to fraction form
    81,857,123.48/112,962,255.75 = 44,687,403.75/x
  3. Step 3: Cross multiply
    81,857,123.48x = 112,962,255.75 × 44,687,403.75
  4. Step 4: Simplify right side
    81,857,123.48x = 5,047,989,931,043,431
  5. Step 5: Solve for x
    x = 5,047,989,931,043,431/81,857,123.48
  6. Step 6: Final answer
    x = 61,668,303.46

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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.