Home / 175,509,920.40-263,264,880.60-84,810,656.40

Finding the Fourth Proportional to 175,509,920.40, 263,264,880.60 and 84,810,656.40

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Solution

The fourth proportional to 175,509,920.40, 263,264,880.60 and 84,810,656.40 is: 127,215,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,509,920.40 : 263,264,880.60 = 84,810,656.40 : x
  2. Step 2: Convert to fraction form
    175,509,920.40/263,264,880.60 = 84,810,656.40/x
  3. Step 3: Cross multiply
    175,509,920.40x = 263,264,880.60 × 84,810,656.40
  4. Step 4: Simplify right side
    175,509,920.40x = 22,327,667,330,753,628
  5. Step 5: Solve for x
    x = 22,327,667,330,753,628/175,509,920.40
  6. Step 6: Final answer
    x = 127,215,984.60

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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.