Home / 318,208,970.88-477,385,270.56-96,900,108.48

Finding the Fourth Proportional to 318,208,970.88, 477,385,270.56 and 96,900,108.48

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Solution

The fourth proportional to 318,208,970.88, 477,385,270.56 and 96,900,108.48 is: 145,372,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,208,970.88 : 477,385,270.56 = 96,900,108.48 : x
  2. Step 2: Convert to fraction form
    318,208,970.88/477,385,270.56 = 96,900,108.48/x
  3. Step 3: Cross multiply
    318,208,970.88x = 477,385,270.56 × 96,900,108.48
  4. Step 4: Simplify right side
    318,208,970.88x = 46,258,684,504,018,152
  5. Step 5: Solve for x
    x = 46,258,684,504,018,152/318,208,970.88
  6. Step 6: Final answer
    x = 145,372,031.39

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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.