Home / 71,066,333.52-106,599,485.16-38,745,418.68

Finding the Fourth Proportional to 71,066,333.52, 106,599,485.16 and 38,745,418.68

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Solution

The fourth proportional to 71,066,333.52, 106,599,485.16 and 38,745,418.68 is: 58,118,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066,333.52 : 106,599,485.16 = 38,745,418.68 : x
  2. Step 2: Convert to fraction form
    71,066,333.52/106,599,485.16 = 38,745,418.68/x
  3. Step 3: Cross multiply
    71,066,333.52x = 106,599,485.16 × 38,745,418.68
  4. Step 4: Simplify right side
    71,066,333.52x = 4,130,241,683,596,646.50
  5. Step 5: Solve for x
    x = 4,130,241,683,596,646.50/71,066,333.52
  6. Step 6: Final answer
    x = 58,118,119.78

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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.