Home / 123,898,028.40-185,847,042.60-75,525,087.60

Finding the Fourth Proportional to 123,898,028.40, 185,847,042.60 and 75,525,087.60

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Solution

The fourth proportional to 123,898,028.40, 185,847,042.60 and 75,525,087.60 is: 113,287,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,898,028.40 : 185,847,042.60 = 75,525,087.60 : x
  2. Step 2: Convert to fraction form
    123,898,028.40/185,847,042.60 = 75,525,087.60/x
  3. Step 3: Cross multiply
    123,898,028.40x = 185,847,042.60 × 75,525,087.60
  4. Step 4: Simplify right side
    123,898,028.40x = 14,036,114,172,565,930
  5. Step 5: Solve for x
    x = 14,036,114,172,565,930/123,898,028.40
  6. Step 6: Final answer
    x = 113,287,631.40

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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.