Home / 256,030,889.03-353,323,740.18-138,556,229.59

Finding the Fourth Proportional to 256,030,889.03, 353,323,740.18 and 138,556,229.59

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Solution

The fourth proportional to 256,030,889.03, 353,323,740.18 and 138,556,229.59 is: 191,208,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,030,889.03 : 353,323,740.18 = 138,556,229.59 : x
  2. Step 2: Convert to fraction form
    256,030,889.03/353,323,740.18 = 138,556,229.59/x
  3. Step 3: Cross multiply
    256,030,889.03x = 353,323,740.18 × 138,556,229.59
  4. Step 4: Simplify right side
    256,030,889.03x = 48,955,205,263,977,592
  5. Step 5: Solve for x
    x = 48,955,205,263,977,592/256,030,889.03
  6. Step 6: Final answer
    x = 191,208,199.33

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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.