Home / 68,073,308.47-102,130,763.51-40,809,952.63

Finding the Fourth Proportional to 68,073,308.47, 102,130,763.51 and 40,809,952.63

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Solution

The fourth proportional to 68,073,308.47, 102,130,763.51 and 40,809,952.63 is: 61,227,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073,308.47 : 102,130,763.51 = 40,809,952.63 : x
  2. Step 2: Convert to fraction form
    68,073,308.47/102,130,763.51 = 40,809,952.63/x
  3. Step 3: Cross multiply
    68,073,308.47x = 102,130,763.51 × 40,809,952.63
  4. Step 4: Simplify right side
    68,073,308.47x = 4,167,951,620,908,833
  5. Step 5: Solve for x
    x = 4,167,951,620,908,833/68,073,308.47
  6. Step 6: Final answer
    x = 61,227,399.03

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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.