Home / 161,638,723.50-242,460,184.77-53,933,347.50

Finding the Fourth Proportional to 161,638,723.50, 242,460,184.77 and 53,933,347.50

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Solution

The fourth proportional to 161,638,723.50, 242,460,184.77 and 53,933,347.50 is: 80,900,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,638,723.50 : 242,460,184.77 = 53,933,347.50 : x
  2. Step 2: Convert to fraction form
    161,638,723.50/242,460,184.77 = 53,933,347.50/x
  3. Step 3: Cross multiply
    161,638,723.50x = 242,460,184.77 × 53,933,347.50
  4. Step 4: Simplify right side
    161,638,723.50x = 13,076,689,400,114,618
  5. Step 5: Solve for x
    x = 13,076,689,400,114,618/161,638,723.50
  6. Step 6: Final answer
    x = 80,900,721.79

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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.