Home / 84,224,038.14-116,229,973.95-49,417,320.78

Finding the Fourth Proportional to 84,224,038.14, 116,229,973.95 and 49,417,320.78

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Solution

The fourth proportional to 84,224,038.14, 116,229,973.95 and 49,417,320.78 is: 68,196,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,224,038.14 : 116,229,973.95 = 49,417,320.78 : x
  2. Step 2: Convert to fraction form
    84,224,038.14/116,229,973.95 = 49,417,320.78/x
  3. Step 3: Cross multiply
    84,224,038.14x = 116,229,973.95 × 49,417,320.78
  4. Step 4: Simplify right side
    84,224,038.14x = 5,743,773,906,938,194
  5. Step 5: Solve for x
    x = 5,743,773,906,938,194/84,224,038.14
  6. Step 6: Final answer
    x = 68,196,372.84

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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.