Home / 211,047,458.40-291,245,271.71-118,228,619.61

Finding the Fourth Proportional to 211,047,458.40, 291,245,271.71 and 118,228,619.61

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Solution

The fourth proportional to 211,047,458.40, 291,245,271.71 and 118,228,619.61 is: 163,155,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047,458.40 : 291,245,271.71 = 118,228,619.61 : x
  2. Step 2: Convert to fraction form
    211,047,458.40/291,245,271.71 = 118,228,619.61/x
  3. Step 3: Cross multiply
    211,047,458.40x = 291,245,271.71 × 118,228,619.61
  4. Step 4: Simplify right side
    211,047,458.40x = 34,433,526,441,621,540
  5. Step 5: Solve for x
    x = 34,433,526,441,621,540/211,047,458.40
  6. Step 6: Final answer
    x = 163,155,371.32

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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.