Home / 294,492,911.88-406,397,919.42-160,530,511.08

Finding the Fourth Proportional to 294,492,911.88, 406,397,919.42 and 160,530,511.08

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Solution

The fourth proportional to 294,492,911.88, 406,397,919.42 and 160,530,511.08 is: 221,530,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,492,911.88 : 406,397,919.42 = 160,530,511.08 : x
  2. Step 2: Convert to fraction form
    294,492,911.88/406,397,919.42 = 160,530,511.08/x
  3. Step 3: Cross multiply
    294,492,911.88x = 406,397,919.42 × 160,530,511.08
  4. Step 4: Simplify right side
    294,492,911.88x = 65,239,265,706,341,264
  5. Step 5: Solve for x
    x = 65,239,265,706,341,264/294,492,911.88
  6. Step 6: Final answer
    x = 221,530,852.10

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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.