Home / 85,519,227.58-128,270,014.46-58,029,650.48

Finding the Fourth Proportional to 85,519,227.58, 128,270,014.46 and 58,029,650.48

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Solution

The fourth proportional to 85,519,227.58, 128,270,014.46 and 58,029,650.48 is: 87,038,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519,227.58 : 128,270,014.46 = 58,029,650.48 : x
  2. Step 2: Convert to fraction form
    85,519,227.58/128,270,014.46 = 58,029,650.48/x
  3. Step 3: Cross multiply
    85,519,227.58x = 128,270,014.46 × 58,029,650.48
  4. Step 4: Simplify right side
    85,519,227.58x = 7,443,464,106,178,345
  5. Step 5: Solve for x
    x = 7,443,464,106,178,345/85,519,227.58
  6. Step 6: Final answer
    x = 87,038,486.16

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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.