Home / 174,372,358.77-261,590,719.86-72,144,368.01

Finding the Fourth Proportional to 174,372,358.77, 261,590,719.86 and 72,144,368.01

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Solution

The fourth proportional to 174,372,358.77, 261,590,719.86 and 72,144,368.01 is: 108,229,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,372,358.77 : 261,590,719.86 = 72,144,368.01 : x
  2. Step 2: Convert to fraction form
    174,372,358.77/261,590,719.86 = 72,144,368.01/x
  3. Step 3: Cross multiply
    174,372,358.77x = 261,590,719.86 × 72,144,368.01
  4. Step 4: Simplify right side
    174,372,358.77x = 18,872,297,161,580,660
  5. Step 5: Solve for x
    x = 18,872,297,161,580,660/174,372,358.77
  6. Step 6: Final answer
    x = 108,229,866.79

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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.