Home / 93,828,046.36-129,339,173.08-65,872,330.60

Finding the Fourth Proportional to 93,828,046.36, 129,339,173.08 and 65,872,330.60

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Solution

The fourth proportional to 93,828,046.36, 129,339,173.08 and 65,872,330.60 is: 90,803,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,828,046.36 : 129,339,173.08 = 65,872,330.60 : x
  2. Step 2: Convert to fraction form
    93,828,046.36/129,339,173.08 = 65,872,330.60/x
  3. Step 3: Cross multiply
    93,828,046.36x = 129,339,173.08 × 65,872,330.60
  4. Step 4: Simplify right side
    93,828,046.36x = 8,519,872,768,656,380
  5. Step 5: Solve for x
    x = 8,519,872,768,656,380/93,828,046.36
  6. Step 6: Final answer
    x = 90,803,049.83

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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.