Home / 218,326,439.66-301,294,681.74-119,211,115.41

Finding the Fourth Proportional to 218,326,439.66, 301,294,681.74 and 119,211,115.41

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Solution

The fourth proportional to 218,326,439.66, 301,294,681.74 and 119,211,115.41 is: 164,513,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,326,439.66 : 301,294,681.74 = 119,211,115.41 : x
  2. Step 2: Convert to fraction form
    218,326,439.66/301,294,681.74 = 119,211,115.41/x
  3. Step 3: Cross multiply
    218,326,439.66x = 301,294,681.74 × 119,211,115.41
  4. Step 4: Simplify right side
    218,326,439.66x = 35,917,675,077,326,360
  5. Step 5: Solve for x
    x = 35,917,675,077,326,360/218,326,439.66
  6. Step 6: Final answer
    x = 164,513,629.84

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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.