Home / 161,758,811.10-242,638,216.65-100,536,807.90

Finding the Fourth Proportional to 161,758,811.10, 242,638,216.65 and 100,536,807.90

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Solution

The fourth proportional to 161,758,811.10, 242,638,216.65 and 100,536,807.90 is: 150,805,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,811.10 : 242,638,216.65 = 100,536,807.90 : x
  2. Step 2: Convert to fraction form
    161,758,811.10/242,638,216.65 = 100,536,807.90/x
  3. Step 3: Cross multiply
    161,758,811.10x = 242,638,216.65 × 100,536,807.90
  4. Step 4: Simplify right side
    161,758,811.10x = 24,394,071,776,539,632
  5. Step 5: Solve for x
    x = 24,394,071,776,539,632/161,758,811.10
  6. Step 6: Final answer
    x = 150,805,211.85

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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.