Home / 84,613,738.81-116,791,173.34-49,826,607.40

Finding the Fourth Proportional to 84,613,738.81, 116,791,173.34 and 49,826,607.40

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Solution

The fourth proportional to 84,613,738.81, 116,791,173.34 and 49,826,607.40 is: 68,774,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613,738.81 : 116,791,173.34 = 49,826,607.40 : x
  2. Step 2: Convert to fraction form
    84,613,738.81/116,791,173.34 = 49,826,607.40/x
  3. Step 3: Cross multiply
    84,613,738.81x = 116,791,173.34 × 49,826,607.40
  4. Step 4: Simplify right side
    84,613,738.81x = 5,819,307,941,818,949
  5. Step 5: Solve for x
    x = 5,819,307,941,818,949/84,613,738.81
  6. Step 6: Final answer
    x = 68,774,977.02

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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.