Home / 104,450,012.80-156,675,019.20-102,326,646.40

Finding the Fourth Proportional to 104,450,012.80, 156,675,019.20 and 102,326,646.40

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Solution

The fourth proportional to 104,450,012.80, 156,675,019.20 and 102,326,646.40 is: 153,489,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,450,012.80 : 156,675,019.20 = 102,326,646.40 : x
  2. Step 2: Convert to fraction form
    104,450,012.80/156,675,019.20 = 102,326,646.40/x
  3. Step 3: Cross multiply
    104,450,012.80x = 156,675,019.20 × 102,326,646.40
  4. Step 4: Simplify right side
    104,450,012.80x = 16,032,029,289,391,610
  5. Step 5: Solve for x
    x = 16,032,029,289,391,610/104,450,012.80
  6. Step 6: Final answer
    x = 153,489,969.60

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1.5x scale

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.