Home / 161,639,508.75-242,461,364.27-53,934,132.75

Finding the Fourth Proportional to 161,639,508.75, 242,461,364.27 and 53,934,132.75

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Solution

The fourth proportional to 161,639,508.75, 242,461,364.27 and 53,934,132.75 is: 80,901,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639,508.75 : 242,461,364.27 = 53,934,132.75 : x
  2. Step 2: Convert to fraction form
    161,639,508.75/242,461,364.27 = 53,934,132.75/x
  3. Step 3: Cross multiply
    161,639,508.75x = 242,461,364.27 × 53,934,132.75
  4. Step 4: Simplify right side
    161,639,508.75x = 13,076,943,407,014,616
  5. Step 5: Solve for x
    x = 13,076,943,407,014,616/161,639,508.75
  6. Step 6: Final answer
    x = 80,901,900.21

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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.