Home / 192,486,376.60-288,729,564.90-185,683,931.80

Finding the Fourth Proportional to 192,486,376.60, 288,729,564.90 and 185,683,931.80

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Solution

The fourth proportional to 192,486,376.60, 288,729,564.90 and 185,683,931.80 is: 278,525,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,486,376.60 : 288,729,564.90 = 185,683,931.80 : x
  2. Step 2: Convert to fraction form
    192,486,376.60/288,729,564.90 = 185,683,931.80/x
  3. Step 3: Cross multiply
    192,486,376.60x = 288,729,564.90 × 185,683,931.80
  4. Step 4: Simplify right side
    192,486,376.60x = 53,612,440,837,535,272
  5. Step 5: Solve for x
    x = 53,612,440,837,535,272/192,486,376.60
  6. Step 6: Final answer
    x = 278,525,897.70

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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.