Home / 83,184,476.79-124,788,064.80-34,650,980.40

Finding the Fourth Proportional to 83,184,476.79, 124,788,064.80 and 34,650,980.40

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Solution

The fourth proportional to 83,184,476.79, 124,788,064.80 and 34,650,980.40 is: 51,981,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,184,476.79 : 124,788,064.80 = 34,650,980.40 : x
  2. Step 2: Convert to fraction form
    83,184,476.79/124,788,064.80 = 34,650,980.40/x
  3. Step 3: Cross multiply
    83,184,476.79x = 124,788,064.80 × 34,650,980.40
  4. Step 4: Simplify right side
    83,184,476.79x = 4,324,028,787,538,729.50
  5. Step 5: Solve for x
    x = 4,324,028,787,538,729.50/83,184,476.79
  6. Step 6: Final answer
    x = 51,981,198.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.