Home / 128,825,737.40-193,089,306.90-52,110,831.80

Finding the Fourth Proportional to 128,825,737.40, 193,089,306.90 and 52,110,831.80

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Solution

The fourth proportional to 128,825,737.40, 193,089,306.90 and 52,110,831.80 is: 78,105,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,825,737.40 : 193,089,306.90 = 52,110,831.80 : x
  2. Step 2: Convert to fraction form
    128,825,737.40/193,089,306.90 = 52,110,831.80/x
  3. Step 3: Cross multiply
    128,825,737.40x = 193,089,306.90 × 52,110,831.80
  4. Step 4: Simplify right side
    128,825,737.40x = 10,062,044,394,244,480
  5. Step 5: Solve for x
    x = 10,062,044,394,244,480/128,825,737.40
  6. Step 6: Final answer
    x = 78,105,855.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.