Home / 289,692,564.90-434,538,847.35-136,637,556.90

Finding the Fourth Proportional to 289,692,564.90, 434,538,847.35 and 136,637,556.90

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Solution

The fourth proportional to 289,692,564.90, 434,538,847.35 and 136,637,556.90 is: 204,956,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,692,564.90 : 434,538,847.35 = 136,637,556.90 : x
  2. Step 2: Convert to fraction form
    289,692,564.90/434,538,847.35 = 136,637,556.90/x
  3. Step 3: Cross multiply
    289,692,564.90x = 434,538,847.35 × 136,637,556.90
  4. Step 4: Simplify right side
    289,692,564.90x = 59,374,326,480,046,048
  5. Step 5: Solve for x
    x = 59,374,326,480,046,048/289,692,564.90
  6. Step 6: Final answer
    x = 204,956,335.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.