Home / 74,561,683.84-102,842,119.44-49,769,370.40

Finding the Fourth Proportional to 74,561,683.84, 102,842,119.44 and 49,769,370.40

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Solution

The fourth proportional to 74,561,683.84, 102,842,119.44 and 49,769,370.40 is: 68,646,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561,683.84 : 102,842,119.44 = 49,769,370.40 : x
  2. Step 2: Convert to fraction form
    74,561,683.84/102,842,119.44 = 49,769,370.40/x
  3. Step 3: Cross multiply
    74,561,683.84x = 102,842,119.44 × 49,769,370.40
  4. Step 4: Simplify right side
    74,561,683.84x = 5,118,387,535,130,400
  5. Step 5: Solve for x
    x = 5,118,387,535,130,400/74,561,683.84
  6. Step 6: Final answer
    x = 68,646,351.20

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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.