Home / 31,211,360.40-46,817,040.60-28,188,051.60

Finding the Fourth Proportional to 31,211,360.40, 46,817,040.60 and 28,188,051.60

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Solution

The fourth proportional to 31,211,360.40, 46,817,040.60 and 28,188,051.60 is: 42,282,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211,360.40 : 46,817,040.60 = 28,188,051.60 : x
  2. Step 2: Convert to fraction form
    31,211,360.40/46,817,040.60 = 28,188,051.60/x
  3. Step 3: Cross multiply
    31,211,360.40x = 46,817,040.60 × 28,188,051.60
  4. Step 4: Simplify right side
    31,211,360.40x = 1,319,681,156,192,095
  5. Step 5: Solve for x
    x = 1,319,681,156,192,095/31,211,360.40
  6. Step 6: Final answer
    x = 42,282,077.40

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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.