Home / 114,413,630.40-171,620,445.60-105,007,780.80

Finding the Fourth Proportional to 114,413,630.40, 171,620,445.60 and 105,007,780.80

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Solution

The fourth proportional to 114,413,630.40, 171,620,445.60 and 105,007,780.80 is: 157,511,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,413,630.40 : 171,620,445.60 = 105,007,780.80 : x
  2. Step 2: Convert to fraction form
    114,413,630.40/171,620,445.60 = 105,007,780.80/x
  3. Step 3: Cross multiply
    114,413,630.40x = 171,620,445.60 × 105,007,780.80
  4. Step 4: Simplify right side
    114,413,630.40x = 18,021,482,132,363,124
  5. Step 5: Solve for x
    x = 18,021,482,132,363,124/114,413,630.40
  6. Step 6: Final answer
    x = 157,511,671.20

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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.