Home / 315,473,439.85-435,330,538.95-174,342,971.44

Finding the Fourth Proportional to 315,473,439.85, 435,330,538.95 and 174,342,971.44

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Solution

The fourth proportional to 315,473,439.85, 435,330,538.95 and 174,342,971.44 is: 240,580,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,473,439.85 : 435,330,538.95 = 174,342,971.44 : x
  2. Step 2: Convert to fraction form
    315,473,439.85/435,330,538.95 = 174,342,971.44/x
  3. Step 3: Cross multiply
    315,473,439.85x = 435,330,538.95 × 174,342,971.44
  4. Step 4: Simplify right side
    315,473,439.85x = 75,896,819,718,110,176
  5. Step 5: Solve for x
    x = 75,896,819,718,110,176/315,473,439.85
  6. Step 6: Final answer
    x = 240,580,695.97

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