Home / 317,661,631.08-438,305,051.52-185,442,624.60

Finding the Fourth Proportional to 317,661,631.08, 438,305,051.52 and 185,442,624.60

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Solution

The fourth proportional to 317,661,631.08, 438,305,051.52 and 185,442,624.60 is: 255,871,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,661,631.08 : 438,305,051.52 = 185,442,624.60 : x
  2. Step 2: Convert to fraction form
    317,661,631.08/438,305,051.52 = 185,442,624.60/x
  3. Step 3: Cross multiply
    317,661,631.08x = 438,305,051.52 × 185,442,624.60
  4. Step 4: Simplify right side
    317,661,631.08x = 81,280,439,129,307,008
  5. Step 5: Solve for x
    x = 81,280,439,129,307,008/317,661,631.08
  6. Step 6: Final answer
    x = 255,871,125.68

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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.