Home / 74,011,008.56-102,136,395.69-40,519,924.79

Finding the Fourth Proportional to 74,011,008.56, 102,136,395.69 and 40,519,924.79

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Solution

The fourth proportional to 74,011,008.56, 102,136,395.69 and 40,519,924.79 is: 55,918,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011,008.56 : 102,136,395.69 = 40,519,924.79 : x
  2. Step 2: Convert to fraction form
    74,011,008.56/102,136,395.69 = 40,519,924.79/x
  3. Step 3: Cross multiply
    74,011,008.56x = 102,136,395.69 × 40,519,924.79
  4. Step 4: Simplify right side
    74,011,008.56x = 4,138,559,071,169,797.50
  5. Step 5: Solve for x
    x = 4,138,559,071,169,797.50/74,011,008.56
  6. Step 6: Final answer
    x = 55,918,155.31

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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.