Home / 266,765,716.90-368,128,782.72-147,693,616.01

Finding the Fourth Proportional to 266,765,716.90, 368,128,782.72 and 147,693,616.01

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Solution

The fourth proportional to 266,765,716.90, 368,128,782.72 and 147,693,616.01 is: 203,812,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,765,716.90 : 368,128,782.72 = 147,693,616.01 : x
  2. Step 2: Convert to fraction form
    266,765,716.90/368,128,782.72 = 147,693,616.01/x
  3. Step 3: Cross multiply
    266,765,716.90x = 368,128,782.72 × 147,693,616.01
  4. Step 4: Simplify right side
    266,765,716.90x = 54,370,271,077,276,408
  5. Step 5: Solve for x
    x = 54,370,271,077,276,408/266,765,716.90
  6. Step 6: Final answer
    x = 203,812,812.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.