Home / 223,931,512.80-335,897,269.20-127,076,390.55

Finding the Fourth Proportional to 223,931,512.80, 335,897,269.20 and 127,076,390.55

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Solution

The fourth proportional to 223,931,512.80, 335,897,269.20 and 127,076,390.55 is: 190,614,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,931,512.80 : 335,897,269.20 = 127,076,390.55 : x
  2. Step 2: Convert to fraction form
    223,931,512.80/335,897,269.20 = 127,076,390.55/x
  3. Step 3: Cross multiply
    223,931,512.80x = 335,897,269.20 × 127,076,390.55
  4. Step 4: Simplify right side
    223,931,512.80x = 42,684,612,565,537,680
  5. Step 5: Solve for x
    x = 42,684,612,565,537,680/223,931,512.80
  6. Step 6: Final answer
    x = 190,614,585.83

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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.