Home / 55,325,788.40-82,988,682.60-28,116,009.20

Finding the Fourth Proportional to 55,325,788.40, 82,988,682.60 and 28,116,009.20

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Solution

The fourth proportional to 55,325,788.40, 82,988,682.60 and 28,116,009.20 is: 42,174,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325,788.40 : 82,988,682.60 = 28,116,009.20 : x
  2. Step 2: Convert to fraction form
    55,325,788.40/82,988,682.60 = 28,116,009.20/x
  3. Step 3: Cross multiply
    55,325,788.40x = 82,988,682.60 × 28,116,009.20
  4. Step 4: Simplify right side
    55,325,788.40x = 2,333,310,563,477,479.50
  5. Step 5: Solve for x
    x = 2,333,310,563,477,479.50/55,325,788.40
  6. Step 6: Final answer
    x = 42,174,013.80

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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.