Home / 231,817,438.40-347,328,026.40-122,480,657.60

Finding the Fourth Proportional to 231,817,438.40, 347,328,026.40 and 122,480,657.60

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Solution

The fourth proportional to 231,817,438.40, 347,328,026.40 and 122,480,657.60 is: 183,510,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,817,438.40 : 347,328,026.40 = 122,480,657.60 : x
  2. Step 2: Convert to fraction form
    231,817,438.40/347,328,026.40 = 122,480,657.60/x
  3. Step 3: Cross multiply
    231,817,438.40x = 347,328,026.40 × 122,480,657.60
  4. Step 4: Simplify right side
    231,817,438.40x = 42,540,965,076,382,152
  5. Step 5: Solve for x
    x = 42,540,965,076,382,152/231,817,438.40
  6. Step 6: Final answer
    x = 183,510,633.93

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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.