Home / 318,323,885.04-477,485,787.06-88,292,968.38

Finding the Fourth Proportional to 318,323,885.04, 477,485,787.06 and 88,292,968.38

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Solution

The fourth proportional to 318,323,885.04, 477,485,787.06 and 88,292,968.38 is: 132,439,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,323,885.04 : 477,485,787.06 = 88,292,968.38 : x
  2. Step 2: Convert to fraction form
    318,323,885.04/477,485,787.06 = 88,292,968.38/x
  3. Step 3: Cross multiply
    318,323,885.04x = 477,485,787.06 × 88,292,968.38
  4. Step 4: Simplify right side
    318,323,885.04x = 42,158,637,498,787,992
  5. Step 5: Solve for x
    x = 42,158,637,498,787,992/318,323,885.04
  6. Step 6: Final answer
    x = 132,439,441.34

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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.