Home / 104,964,280.80-157,446,421.20-66,795,007.20

Finding the Fourth Proportional to 104,964,280.80, 157,446,421.20 and 66,795,007.20

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Solution

The fourth proportional to 104,964,280.80, 157,446,421.20 and 66,795,007.20 is: 100,192,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964,280.80 : 157,446,421.20 = 66,795,007.20 : x
  2. Step 2: Convert to fraction form
    104,964,280.80/157,446,421.20 = 66,795,007.20/x
  3. Step 3: Cross multiply
    104,964,280.80x = 157,446,421.20 × 66,795,007.20
  4. Step 4: Simplify right side
    104,964,280.80x = 10,516,634,837,668,232
  5. Step 5: Solve for x
    x = 10,516,634,837,668,232/104,964,280.80
  6. Step 6: Final answer
    x = 100,192,510.80

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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.