Home / 416,355,134.10-624,084,803.55-157,470,321.30

Finding the Fourth Proportional to 416,355,134.10, 624,084,803.55 and 157,470,321.30

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Solution

The fourth proportional to 416,355,134.10, 624,084,803.55 and 157,470,321.30 is: 236,036,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,355,134.10 : 624,084,803.55 = 157,470,321.30 : x
  2. Step 2: Convert to fraction form
    416,355,134.10/624,084,803.55 = 157,470,321.30/x
  3. Step 3: Cross multiply
    416,355,134.10x = 624,084,803.55 × 157,470,321.30
  4. Step 4: Simplify right side
    416,355,134.10x = 98,274,834,533,465,888
  5. Step 5: Solve for x
    x = 98,274,834,533,465,888/416,355,134.10
  6. Step 6: Final answer
    x = 236,036,081.90

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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.