Home / 290,328,025.80-435,492,038.70-74,917,273.80

Finding the Fourth Proportional to 290,328,025.80, 435,492,038.70 and 74,917,273.80

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Solution

The fourth proportional to 290,328,025.80, 435,492,038.70 and 74,917,273.80 is: 112,375,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,328,025.80 : 435,492,038.70 = 74,917,273.80 : x
  2. Step 2: Convert to fraction form
    290,328,025.80/435,492,038.70 = 74,917,273.80/x
  3. Step 3: Cross multiply
    290,328,025.80x = 435,492,038.70 × 74,917,273.80
  4. Step 4: Simplify right side
    290,328,025.80x = 32,625,876,301,008,092
  5. Step 5: Solve for x
    x = 32,625,876,301,008,092/290,328,025.80
  6. Step 6: Final answer
    x = 112,375,910.70

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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.