Home / 104,403,940.80-156,605,911.20-102,612,350.40

Finding the Fourth Proportional to 104,403,940.80, 156,605,911.20 and 102,612,350.40

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Solution

The fourth proportional to 104,403,940.80, 156,605,911.20 and 102,612,350.40 is: 153,918,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403,940.80 : 156,605,911.20 = 102,612,350.40 : x
  2. Step 2: Convert to fraction form
    104,403,940.80/156,605,911.20 = 102,612,350.40/x
  3. Step 3: Cross multiply
    104,403,940.80x = 156,605,911.20 × 102,612,350.40
  4. Step 4: Simplify right side
    104,403,940.80x = 16,069,700,634,765,684
  5. Step 5: Solve for x
    x = 16,069,700,634,765,684/104,403,940.80
  6. Step 6: Final answer
    x = 153,918,525.60

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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.