Home / 85,973,403.60-128,929,999.80-25,373,083.60

Finding the Fourth Proportional to 85,973,403.60, 128,929,999.80 and 25,373,083.60

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Solution

The fourth proportional to 85,973,403.60, 128,929,999.80 and 25,373,083.60 is: 38,050,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,973,403.60 : 128,929,999.80 = 25,373,083.60 : x
  2. Step 2: Convert to fraction form
    85,973,403.60/128,929,999.80 = 25,373,083.60/x
  3. Step 3: Cross multiply
    85,973,403.60x = 128,929,999.80 × 25,373,083.60
  4. Step 4: Simplify right side
    85,973,403.60x = 3,271,351,663,473,383.50
  5. Step 5: Solve for x
    x = 3,271,351,663,473,383.50/85,973,403.60
  6. Step 6: Final answer
    x = 38,050,740.42

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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.