Home / 113,103,975.18-169,911,354.14-67,076,033.51

Finding the Fourth Proportional to 113,103,975.18, 169,911,354.14 and 67,076,033.51

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Solution

The fourth proportional to 113,103,975.18, 169,911,354.14 and 67,076,033.51 is: 100,765,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,975.18 : 169,911,354.14 = 67,076,033.51 : x
  2. Step 2: Convert to fraction form
    113,103,975.18/169,911,354.14 = 67,076,033.51/x
  3. Step 3: Cross multiply
    113,103,975.18x = 169,911,354.14 × 67,076,033.51
  4. Step 4: Simplify right side
    113,103,975.18x = 11,396,979,684,024,116
  5. Step 5: Solve for x
    x = 11,396,979,684,024,116/113,103,975.18
  6. Step 6: Final answer
    x = 100,765,509.49

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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.