Home / 313,357,107.20-470,035,660.80-97,946,009.60

Finding the Fourth Proportional to 313,357,107.20, 470,035,660.80 and 97,946,009.60

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Solution

The fourth proportional to 313,357,107.20, 470,035,660.80 and 97,946,009.60 is: 146,919,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,357,107.20 : 470,035,660.80 = 97,946,009.60 : x
  2. Step 2: Convert to fraction form
    313,357,107.20/470,035,660.80 = 97,946,009.60/x
  3. Step 3: Cross multiply
    313,357,107.20x = 470,035,660.80 × 97,946,009.60
  4. Step 4: Simplify right side
    313,357,107.20x = 46,038,117,345,059,144
  5. Step 5: Solve for x
    x = 46,038,117,345,059,144/313,357,107.20
  6. Step 6: Final answer
    x = 146,919,014.40

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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.