Home / 256,138,223.59-384,360,352.76-235,299,051.34

Finding the Fourth Proportional to 256,138,223.59, 384,360,352.76 and 235,299,051.34

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Solution

The fourth proportional to 256,138,223.59, 384,360,352.76 and 235,299,051.34 is: 353,089,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,138,223.59 : 384,360,352.76 = 235,299,051.34 : x
  2. Step 2: Convert to fraction form
    256,138,223.59/384,360,352.76 = 235,299,051.34/x
  3. Step 3: Cross multiply
    256,138,223.59x = 384,360,352.76 × 235,299,051.34
  4. Step 4: Simplify right side
    256,138,223.59x = 90,439,626,377,135,744
  5. Step 5: Solve for x
    x = 90,439,626,377,135,744/256,138,223.59
  6. Step 6: Final answer
    x = 353,089,145.03

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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.