Home / 84,685,646.84-116,823,103.62-55,334,138.36

Finding the Fourth Proportional to 84,685,646.84, 116,823,103.62 and 55,334,138.36

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Solution

The fourth proportional to 84,685,646.84, 116,823,103.62 and 55,334,138.36 is: 76,332,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685,646.84 : 116,823,103.62 = 55,334,138.36 : x
  2. Step 2: Convert to fraction form
    84,685,646.84/116,823,103.62 = 55,334,138.36/x
  3. Step 3: Cross multiply
    84,685,646.84x = 116,823,103.62 × 55,334,138.36
  4. Step 4: Simplify right side
    84,685,646.84x = 6,464,305,779,353,697
  5. Step 5: Solve for x
    x = 6,464,305,779,353,697/84,685,646.84
  6. Step 6: Final answer
    x = 76,332,956.30

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1.5x scale

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.