Home / 252,601,383.60-378,902,075.40-123,291,946.80

Finding the Fourth Proportional to 252,601,383.60, 378,902,075.40 and 123,291,946.80

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Solution

The fourth proportional to 252,601,383.60, 378,902,075.40 and 123,291,946.80 is: 184,937,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601,383.60 : 378,902,075.40 = 123,291,946.80 : x
  2. Step 2: Convert to fraction form
    252,601,383.60/378,902,075.40 = 123,291,946.80/x
  3. Step 3: Cross multiply
    252,601,383.60x = 378,902,075.40 × 123,291,946.80
  4. Step 4: Simplify right side
    252,601,383.60x = 46,715,574,522,626,384
  5. Step 5: Solve for x
    x = 46,715,574,522,626,384/252,601,383.60
  6. Step 6: Final answer
    x = 184,937,920.20

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1.5x scale

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.