Home / 97,756,627.20-146,717,609.40-40,290,140.40

Finding the Fourth Proportional to 97,756,627.20, 146,717,609.40 and 40,290,140.40

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Solution

The fourth proportional to 97,756,627.20, 146,717,609.40 and 40,290,140.40 is: 60,469,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,756,627.20 : 146,717,609.40 = 40,290,140.40 : x
  2. Step 2: Convert to fraction form
    97,756,627.20/146,717,609.40 = 40,290,140.40/x
  3. Step 3: Cross multiply
    97,756,627.20x = 146,717,609.40 × 40,290,140.40
  4. Step 4: Simplify right side
    97,756,627.20x = 5,911,273,081,878,360
  5. Step 5: Solve for x
    x = 5,911,273,081,878,360/97,756,627.20
  6. Step 6: Final answer
    x = 60,469,282.25

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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.