Home / 86,173,370.40-129,260,055.60-43,049,229.60

Finding the Fourth Proportional to 86,173,370.40, 129,260,055.60 and 43,049,229.60

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Solution

The fourth proportional to 86,173,370.40, 129,260,055.60 and 43,049,229.60 is: 64,573,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173,370.40 : 129,260,055.60 = 43,049,229.60 : x
  2. Step 2: Convert to fraction form
    86,173,370.40/129,260,055.60 = 43,049,229.60/x
  3. Step 3: Cross multiply
    86,173,370.40x = 129,260,055.60 × 43,049,229.60
  4. Step 4: Simplify right side
    86,173,370.40x = 5,564,545,811,633,166
  5. Step 5: Solve for x
    x = 5,564,545,811,633,166/86,173,370.40
  6. Step 6: Final answer
    x = 64,573,844.40

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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.