Home / 242,741,374.60-334,918,510.02-138,317,220.04

Finding the Fourth Proportional to 242,741,374.60, 334,918,510.02 and 138,317,220.04

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Solution

The fourth proportional to 242,741,374.60, 334,918,510.02 and 138,317,220.04 is: 190,840,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,741,374.60 : 334,918,510.02 = 138,317,220.04 : x
  2. Step 2: Convert to fraction form
    242,741,374.60/334,918,510.02 = 138,317,220.04/x
  3. Step 3: Cross multiply
    242,741,374.60x = 334,918,510.02 × 138,317,220.04
  4. Step 4: Simplify right side
    242,741,374.60x = 46,324,997,245,905,280
  5. Step 5: Solve for x
    x = 46,324,997,245,905,280/242,741,374.60
  6. Step 6: Final answer
    x = 190,840,961.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.