Home / 202,095,292.60-303,142,938.90-72,707,123.80

Finding the Fourth Proportional to 202,095,292.60, 303,142,938.90 and 72,707,123.80

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Solution

The fourth proportional to 202,095,292.60, 303,142,938.90 and 72,707,123.80 is: 109,060,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095,292.60 : 303,142,938.90 = 72,707,123.80 : x
  2. Step 2: Convert to fraction form
    202,095,292.60/303,142,938.90 = 72,707,123.80/x
  3. Step 3: Cross multiply
    202,095,292.60x = 303,142,938.90 × 72,707,123.80
  4. Step 4: Simplify right side
    202,095,292.60x = 22,040,651,187,698,132
  5. Step 5: Solve for x
    x = 22,040,651,187,698,132/202,095,292.60
  6. Step 6: Final answer
    x = 109,060,685.70

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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.