Home / 350,440,891.20-525,621,176.64-91,681,081.92

Finding the Fourth Proportional to 350,440,891.20, 525,621,176.64 and 91,681,081.92

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Solution

The fourth proportional to 350,440,891.20, 525,621,176.64 and 91,681,081.92 is: 137,511,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,440,891.20 : 525,621,176.64 = 91,681,081.92 : x
  2. Step 2: Convert to fraction form
    350,440,891.20/525,621,176.64 = 91,681,081.92/x
  3. Step 3: Cross multiply
    350,440,891.20x = 525,621,176.64 × 91,681,081.92
  4. Step 4: Simplify right side
    350,440,891.20x = 48,189,518,154,418,632
  5. Step 5: Solve for x
    x = 48,189,518,154,418,632/350,440,891.20
  6. Step 6: Final answer
    x = 137,511,116.32

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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.