Home / 161,760,280.80-242,640,421.20-46,748,575.20

Finding the Fourth Proportional to 161,760,280.80, 242,640,421.20 and 46,748,575.20

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Solution

The fourth proportional to 161,760,280.80, 242,640,421.20 and 46,748,575.20 is: 70,122,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760,280.80 : 242,640,421.20 = 46,748,575.20 : x
  2. Step 2: Convert to fraction form
    161,760,280.80/242,640,421.20 = 46,748,575.20/x
  3. Step 3: Cross multiply
    161,760,280.80x = 242,640,421.20 × 46,748,575.20
  4. Step 4: Simplify right side
    161,760,280.80x = 11,343,093,977,027,874
  5. Step 5: Solve for x
    x = 11,343,093,977,027,874/161,760,280.80
  6. Step 6: Final answer
    x = 70,122,862.80

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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.