Home / 53,675,429.60-80,513,144.40-45,361,330.40

Finding the Fourth Proportional to 53,675,429.60, 80,513,144.40 and 45,361,330.40

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Solution

The fourth proportional to 53,675,429.60, 80,513,144.40 and 45,361,330.40 is: 68,041,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675,429.60 : 80,513,144.40 = 45,361,330.40 : x
  2. Step 2: Convert to fraction form
    53,675,429.60/80,513,144.40 = 45,361,330.40/x
  3. Step 3: Cross multiply
    53,675,429.60x = 80,513,144.40 × 45,361,330.40
  4. Step 4: Simplify right side
    53,675,429.60x = 3,652,183,344,671,310
  5. Step 5: Solve for x
    x = 3,652,183,344,671,310/53,675,429.60
  6. Step 6: Final answer
    x = 68,041,995.60

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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.