Home / 123,090,409.20-184,635,613.80-59,389,417.20

Finding the Fourth Proportional to 123,090,409.20, 184,635,613.80 and 59,389,417.20

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Solution

The fourth proportional to 123,090,409.20, 184,635,613.80 and 59,389,417.20 is: 89,084,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090,409.20 : 184,635,613.80 = 59,389,417.20 : x
  2. Step 2: Convert to fraction form
    123,090,409.20/184,635,613.80 = 59,389,417.20/x
  3. Step 3: Cross multiply
    123,090,409.20x = 184,635,613.80 × 59,389,417.20
  4. Step 4: Simplify right side
    123,090,409.20x = 10,965,401,497,946,278
  5. Step 5: Solve for x
    x = 10,965,401,497,946,278/123,090,409.20
  6. Step 6: Final answer
    x = 89,084,125.80

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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.