Home / 188,294,739.90-282,442,109.85-67,082,451.90

Finding the Fourth Proportional to 188,294,739.90, 282,442,109.85 and 67,082,451.90

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Solution

The fourth proportional to 188,294,739.90, 282,442,109.85 and 67,082,451.90 is: 100,623,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,294,739.90 : 282,442,109.85 = 67,082,451.90 : x
  2. Step 2: Convert to fraction form
    188,294,739.90/282,442,109.85 = 67,082,451.90/x
  3. Step 3: Cross multiply
    188,294,739.90x = 282,442,109.85 × 67,082,451.90
  4. Step 4: Simplify right side
    188,294,739.90x = 18,946,909,248,547,144
  5. Step 5: Solve for x
    x = 18,946,909,248,547,144/188,294,739.90
  6. Step 6: Final answer
    x = 100,623,677.85

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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.