Home / 92,774,655.47-128,051,322.39-53,105,182.05

Finding the Fourth Proportional to 92,774,655.47, 128,051,322.39 and 53,105,182.05

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Solution

The fourth proportional to 92,774,655.47, 128,051,322.39 and 53,105,182.05 is: 73,297,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,774,655.47 : 128,051,322.39 = 53,105,182.05 : x
  2. Step 2: Convert to fraction form
    92,774,655.47/128,051,322.39 = 53,105,182.05/x
  3. Step 3: Cross multiply
    92,774,655.47x = 128,051,322.39 × 53,105,182.05
  4. Step 4: Simplify right side
    92,774,655.47x = 6,800,188,787,744,384
  5. Step 5: Solve for x
    x = 6,800,188,787,744,384/92,774,655.47
  6. Step 6: Final answer
    x = 73,297,914.75

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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.