Home / 86,914,912.40-130,372,368.60-26,330,638.40

Finding the Fourth Proportional to 86,914,912.40, 130,372,368.60 and 26,330,638.40

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Solution

The fourth proportional to 86,914,912.40, 130,372,368.60 and 26,330,638.40 is: 39,495,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914,912.40 : 130,372,368.60 = 26,330,638.40 : x
  2. Step 2: Convert to fraction form
    86,914,912.40/130,372,368.60 = 26,330,638.40/x
  3. Step 3: Cross multiply
    86,914,912.40x = 130,372,368.60 × 26,330,638.40
  4. Step 4: Simplify right side
    86,914,912.40x = 3,432,787,694,958,114
  5. Step 5: Solve for x
    x = 3,432,787,694,958,114/86,914,912.40
  6. Step 6: Final answer
    x = 39,495,957.60

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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.