Home / 171,356,132.15-257,021,626.28-54,740,176.74

Finding the Fourth Proportional to 171,356,132.15, 257,021,626.28 and 54,740,176.74

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Solution

The fourth proportional to 171,356,132.15, 257,021,626.28 and 54,740,176.74 is: 82,106,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,356,132.15 : 257,021,626.28 = 54,740,176.74 : x
  2. Step 2: Convert to fraction form
    171,356,132.15/257,021,626.28 = 54,740,176.74/x
  3. Step 3: Cross multiply
    171,356,132.15x = 257,021,626.28 × 54,740,176.74
  4. Step 4: Simplify right side
    171,356,132.15x = 14,069,409,249,326,112
  5. Step 5: Solve for x
    x = 14,069,409,249,326,112/171,356,132.15
  6. Step 6: Final answer
    x = 82,106,248.97

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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.