Home / 217,326,314.22-299,912,477.31-118,209,367.50

Finding the Fourth Proportional to 217,326,314.22, 299,912,477.31 and 118,209,367.50

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Solution

The fourth proportional to 217,326,314.22, 299,912,477.31 and 118,209,367.50 is: 163,130,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,326,314.22 : 299,912,477.31 = 118,209,367.50 : x
  2. Step 2: Convert to fraction form
    217,326,314.22/299,912,477.31 = 118,209,367.50/x
  3. Step 3: Cross multiply
    217,326,314.22x = 299,912,477.31 × 118,209,367.50
  4. Step 4: Simplify right side
    217,326,314.22x = 35,452,464,248,173,200
  5. Step 5: Solve for x
    x = 35,452,464,248,173,200/217,326,314.22
  6. Step 6: Final answer
    x = 163,130,104.03

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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.