Home / 152,628,205.20-228,606,384.60-91,938,080.40

Finding the Fourth Proportional to 152,628,205.20, 228,606,384.60 and 91,938,080.40

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Solution

The fourth proportional to 152,628,205.20, 228,606,384.60 and 91,938,080.40 is: 137,704,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628,205.20 : 228,606,384.60 = 91,938,080.40 : x
  2. Step 2: Convert to fraction form
    152,628,205.20/228,606,384.60 = 91,938,080.40/x
  3. Step 3: Cross multiply
    152,628,205.20x = 228,606,384.60 × 91,938,080.40
  4. Step 4: Simplify right side
    152,628,205.20x = 21,017,632,167,308,124
  5. Step 5: Solve for x
    x = 21,017,632,167,308,124/152,628,205.20
  6. Step 6: Final answer
    x = 137,704,771.80

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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.