Home / 57,438,254.40-86,157,381.60-39,298,401.60

Finding the Fourth Proportional to 57,438,254.40, 86,157,381.60 and 39,298,401.60

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Solution

The fourth proportional to 57,438,254.40, 86,157,381.60 and 39,298,401.60 is: 58,947,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438,254.40 : 86,157,381.60 = 39,298,401.60 : x
  2. Step 2: Convert to fraction form
    57,438,254.40/86,157,381.60 = 39,298,401.60/x
  3. Step 3: Cross multiply
    57,438,254.40x = 86,157,381.60 × 39,298,401.60
  4. Step 4: Simplify right side
    57,438,254.40x = 3,385,847,382,921,250.50
  5. Step 5: Solve for x
    x = 3,385,847,382,921,250.50/57,438,254.40
  6. Step 6: Final answer
    x = 58,947,602.40

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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.