Home / 67,709,682.20-93,467,967.73-45,712,978.36

Finding the Fourth Proportional to 67,709,682.20, 93,467,967.73 and 45,712,978.36

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Solution

The fourth proportional to 67,709,682.20, 93,467,967.73 and 45,712,978.36 is: 63,103,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709,682.20 : 93,467,967.73 = 45,712,978.36 : x
  2. Step 2: Convert to fraction form
    67,709,682.20/93,467,967.73 = 45,712,978.36/x
  3. Step 3: Cross multiply
    67,709,682.20x = 93,467,967.73 × 45,712,978.36
  4. Step 4: Simplify right side
    67,709,682.20x = 4,272,699,185,846,716.50
  5. Step 5: Solve for x
    x = 4,272,699,185,846,716.50/67,709,682.20
  6. Step 6: Final answer
    x = 63,103,223.16

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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.