Home / 84,224,038.64-116,229,974.64-49,417,321.28

Finding the Fourth Proportional to 84,224,038.64, 116,229,974.64 and 49,417,321.28

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Solution

The fourth proportional to 84,224,038.64, 116,229,974.64 and 49,417,321.28 is: 68,196,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,224,038.64 : 116,229,974.64 = 49,417,321.28 : x
  2. Step 2: Convert to fraction form
    84,224,038.64/116,229,974.64 = 49,417,321.28/x
  3. Step 3: Cross multiply
    84,224,038.64x = 116,229,974.64 × 49,417,321.28
  4. Step 4: Simplify right side
    84,224,038.64x = 5,743,773,999,151,133
  5. Step 5: Solve for x
    x = 5,743,773,999,151,133/84,224,038.64
  6. Step 6: Final answer
    x = 68,196,373.53

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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.