Home / 99,578,509.20-149,367,763.80-93,531,891.60

Finding the Fourth Proportional to 99,578,509.20, 149,367,763.80 and 93,531,891.60

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Solution

The fourth proportional to 99,578,509.20, 149,367,763.80 and 93,531,891.60 is: 140,297,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,578,509.20 : 149,367,763.80 = 93,531,891.60 : x
  2. Step 2: Convert to fraction form
    99,578,509.20/149,367,763.80 = 93,531,891.60/x
  3. Step 3: Cross multiply
    99,578,509.20x = 149,367,763.80 × 93,531,891.60
  4. Step 4: Simplify right side
    99,578,509.20x = 13,970,649,492,276,004
  5. Step 5: Solve for x
    x = 13,970,649,492,276,004/99,578,509.20
  6. Step 6: Final answer
    x = 140,297,837.40

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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.