Home / 130,848,331.20-196,272,496.80-100,237,329.60

Finding the Fourth Proportional to 130,848,331.20, 196,272,496.80 and 100,237,329.60

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Solution

The fourth proportional to 130,848,331.20, 196,272,496.80 and 100,237,329.60 is: 150,355,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,848,331.20 : 196,272,496.80 = 100,237,329.60 : x
  2. Step 2: Convert to fraction form
    130,848,331.20/196,272,496.80 = 100,237,329.60/x
  3. Step 3: Cross multiply
    130,848,331.20x = 196,272,496.80 × 100,237,329.60
  4. Step 4: Simplify right side
    130,848,331.20x = 19,673,830,953,156,544
  5. Step 5: Solve for x
    x = 19,673,830,953,156,544/130,848,331.20
  6. Step 6: Final answer
    x = 150,355,994.40

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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.