Home / 118,675,286.30-178,033,028.01-40,931,081.34

Finding the Fourth Proportional to 118,675,286.30, 178,033,028.01 and 40,931,081.34

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Solution

The fourth proportional to 118,675,286.30, 178,033,028.01 and 40,931,081.34 is: 61,403,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,286.30 : 178,033,028.01 = 40,931,081.34 : x
  2. Step 2: Convert to fraction form
    118,675,286.30/178,033,028.01 = 40,931,081.34/x
  3. Step 3: Cross multiply
    118,675,286.30x = 178,033,028.01 × 40,931,081.34
  4. Step 4: Simplify right side
    118,675,286.30x = 7,287,084,350,683,809
  5. Step 5: Solve for x
    x = 7,287,084,350,683,809/118,675,286.30
  6. Step 6: Final answer
    x = 61,403,554.00

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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.