Home / 148,365,142-204,740,845.92-82,274,975.20

Finding the Fourth Proportional to 148,365,142, 204,740,845.92 and 82,274,975.20

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Solution

The fourth proportional to 148,365,142, 204,740,845.92 and 82,274,975.20 is: 113,537,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365,142 : 204,740,845.92 = 82,274,975.20 : x
  2. Step 2: Convert to fraction form
    148,365,142/204,740,845.92 = 82,274,975.20/x
  3. Step 3: Cross multiply
    148,365,142x = 204,740,845.92 × 82,274,975.20
  4. Step 4: Simplify right side
    148,365,142x = 16,845,048,020,495,020
  5. Step 5: Solve for x
    x = 16,845,048,020,495,020/148,365,142
  6. Step 6: Final answer
    x = 113,537,774.40

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1.5x scale

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.