Home / 39,238,953.61-54,159,366.48-30,400,923.70

Finding the Fourth Proportional to 39,238,953.61, 54,159,366.48 and 30,400,923.70

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Solution

The fourth proportional to 39,238,953.61, 54,159,366.48 and 30,400,923.70 is: 41,960,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238,953.61 : 54,159,366.48 = 30,400,923.70 : x
  2. Step 2: Convert to fraction form
    39,238,953.61/54,159,366.48 = 30,400,923.70/x
  3. Step 3: Cross multiply
    39,238,953.61x = 54,159,366.48 × 30,400,923.70
  4. Step 4: Simplify right side
    39,238,953.61x = 1,646,494,767,922,815.25
  5. Step 5: Solve for x
    x = 1,646,494,767,922,815.25/39,238,953.61
  6. Step 6: Final answer
    x = 41,960,720.57

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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.