Home / 515,095,106.38-772,647,442.25-146,630,045.75

Finding the Fourth Proportional to 515,095,106.38, 772,647,442.25 and 146,630,045.75

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Solution

The fourth proportional to 515,095,106.38, 772,647,442.25 and 146,630,045.75 is: 219,946,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,095,106.38 : 772,647,442.25 = 146,630,045.75 : x
  2. Step 2: Convert to fraction form
    515,095,106.38/772,647,442.25 = 146,630,045.75/x
  3. Step 3: Cross multiply
    515,095,106.38x = 772,647,442.25 × 146,630,045.75
  4. Step 4: Simplify right side
    515,095,106.38x = 113,293,329,801,141,600
  5. Step 5: Solve for x
    x = 113,293,329,801,141,600/515,095,106.38
  6. Step 6: Final answer
    x = 219,946,430.08

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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.