Home / 57,093,043.84-78,788,637.12-30,987,599.20

Finding the Fourth Proportional to 57,093,043.84, 78,788,637.12 and 30,987,599.20

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Solution

The fourth proportional to 57,093,043.84, 78,788,637.12 and 30,987,599.20 is: 42,763,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,043.84 : 78,788,637.12 = 30,987,599.20 : x
  2. Step 2: Convert to fraction form
    57,093,043.84/78,788,637.12 = 30,987,599.20/x
  3. Step 3: Cross multiply
    57,093,043.84x = 78,788,637.12 × 30,987,599.20
  4. Step 4: Simplify right side
    57,093,043.84x = 2,441,470,708,588,802.50
  5. Step 5: Solve for x
    x = 2,441,470,708,588,802.50/57,093,043.84
  6. Step 6: Final answer
    x = 42,763,015.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.