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Finding the Fourth Proportional to 141,804,652.20, 212,706,978.30 and 121,397,317.80

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Solution

The fourth proportional to 141,804,652.20, 212,706,978.30 and 121,397,317.80 is: 182,095,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,652.20 : 212,706,978.30 = 121,397,317.80 : x
  2. Step 2: Convert to fraction form
    141,804,652.20/212,706,978.30 = 121,397,317.80/x
  3. Step 3: Cross multiply
    141,804,652.20x = 212,706,978.30 × 121,397,317.80
  4. Step 4: Simplify right side
    141,804,652.20x = 25,822,056,642,962,804
  5. Step 5: Solve for x
    x = 25,822,056,642,962,804/141,804,652.20
  6. Step 6: Final answer
    x = 182,095,976.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.