Home / 77,284,794.90-106,653,247.93-42,481,051.86

Finding the Fourth Proportional to 77,284,794.90, 106,653,247.93 and 42,481,051.86

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Solution

The fourth proportional to 77,284,794.90, 106,653,247.93 and 42,481,051.86 is: 58,623,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,284,794.90 : 106,653,247.93 = 42,481,051.86 : x
  2. Step 2: Convert to fraction form
    77,284,794.90/106,653,247.93 = 42,481,051.86/x
  3. Step 3: Cross multiply
    77,284,794.90x = 106,653,247.93 × 42,481,051.86
  4. Step 4: Simplify right side
    77,284,794.90x = 4,530,742,156,804,819
  5. Step 5: Solve for x
    x = 4,530,742,156,804,819/77,284,794.90
  6. Step 6: Final answer
    x = 58,623,978.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.