Home / 219,145,374.72-302,420,911.88-118,673,987.14

Finding the Fourth Proportional to 219,145,374.72, 302,420,911.88 and 118,673,987.14

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Solution

The fourth proportional to 219,145,374.72, 302,420,911.88 and 118,673,987.14 is: 163,770,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,145,374.72 : 302,420,911.88 = 118,673,987.14 : x
  2. Step 2: Convert to fraction form
    219,145,374.72/302,420,911.88 = 118,673,987.14/x
  3. Step 3: Cross multiply
    219,145,374.72x = 302,420,911.88 × 118,673,987.14
  4. Step 4: Simplify right side
    219,145,374.72x = 35,889,495,406,720,824
  5. Step 5: Solve for x
    x = 35,889,495,406,720,824/219,145,374.72
  6. Step 6: Final answer
    x = 163,770,261.88

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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.