Home / 207,225,121.90-310,783,500.45-61,619,464.30

Finding the Fourth Proportional to 207,225,121.90, 310,783,500.45 and 61,619,464.30

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Solution

The fourth proportional to 207,225,121.90, 310,783,500.45 and 61,619,464.30 is: 92,413,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,225,121.90 : 310,783,500.45 = 61,619,464.30 : x
  2. Step 2: Convert to fraction form
    207,225,121.90/310,783,500.45 = 61,619,464.30/x
  3. Step 3: Cross multiply
    207,225,121.90x = 310,783,500.45 × 61,619,464.30
  4. Step 4: Simplify right side
    207,225,121.90x = 19,150,312,811,007,808
  5. Step 5: Solve for x
    x = 19,150,312,811,007,808/207,225,121.90
  6. Step 6: Final answer
    x = 92,413,085.03

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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.