Home / 286,293,092.40-429,439,638.60-141,010,409.02

Finding the Fourth Proportional to 286,293,092.40, 429,439,638.60 and 141,010,409.02

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Solution

The fourth proportional to 286,293,092.40, 429,439,638.60 and 141,010,409.02 is: 211,515,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,293,092.40 : 429,439,638.60 = 141,010,409.02 : x
  2. Step 2: Convert to fraction form
    286,293,092.40/429,439,638.60 = 141,010,409.02/x
  3. Step 3: Cross multiply
    286,293,092.40x = 429,439,638.60 × 141,010,409.02
  4. Step 4: Simplify right side
    286,293,092.40x = 60,555,459,088,386,992
  5. Step 5: Solve for x
    x = 60,555,459,088,386,992/286,293,092.40
  6. Step 6: Final answer
    x = 211,515,613.53

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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.