Home / 357,466,129.36-536,199,222.48-115,129,033.36

Finding the Fourth Proportional to 357,466,129.36, 536,199,222.48 and 115,129,033.36

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Solution

The fourth proportional to 357,466,129.36, 536,199,222.48 and 115,129,033.36 is: 172,693,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,466,129.36 : 536,199,222.48 = 115,129,033.36 : x
  2. Step 2: Convert to fraction form
    357,466,129.36/536,199,222.48 = 115,129,033.36/x
  3. Step 3: Cross multiply
    357,466,129.36x = 536,199,222.48 × 115,129,033.36
  4. Step 4: Simplify right side
    357,466,129.36x = 61,732,098,172,505,984
  5. Step 5: Solve for x
    x = 61,732,098,172,505,984/357,466,129.36
  6. Step 6: Final answer
    x = 172,693,559.20

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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.