Home / 86,677,372.44-130,060,758.78-40,623,920.16

Finding the Fourth Proportional to 86,677,372.44, 130,060,758.78 and 40,623,920.16

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Solution

The fourth proportional to 86,677,372.44, 130,060,758.78 and 40,623,920.16 is: 60,956,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,677,372.44 : 130,060,758.78 = 40,623,920.16 : x
  2. Step 2: Convert to fraction form
    86,677,372.44/130,060,758.78 = 40,623,920.16/x
  3. Step 3: Cross multiply
    86,677,372.44x = 130,060,758.78 × 40,623,920.16
  4. Step 4: Simplify right side
    86,677,372.44x = 5,283,577,880,627,739
  5. Step 5: Solve for x
    x = 5,283,577,880,627,739/86,677,372.44
  6. Step 6: Final answer
    x = 60,956,830.28

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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.