Home / 53,120,190.51-79,583,177.79-38,510,928.45

Finding the Fourth Proportional to 53,120,190.51, 79,583,177.79 and 38,510,928.45

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Solution

The fourth proportional to 53,120,190.51, 79,583,177.79 and 38,510,928.45 is: 57,695,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120,190.51 : 79,583,177.79 = 38,510,928.45 : x
  2. Step 2: Convert to fraction form
    53,120,190.51/79,583,177.79 = 38,510,928.45/x
  3. Step 3: Cross multiply
    53,120,190.51x = 79,583,177.79 × 38,510,928.45
  4. Step 4: Simplify right side
    53,120,190.51x = 3,064,822,065,694,319.50
  5. Step 5: Solve for x
    x = 3,064,822,065,694,319.50/53,120,190.51
  6. Step 6: Final answer
    x = 57,695,991.60

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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.