Home / 113,570,149.60-170,355,224.40-70,487,999.20

Finding the Fourth Proportional to 113,570,149.60, 170,355,224.40 and 70,487,999.20

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Solution

The fourth proportional to 113,570,149.60, 170,355,224.40 and 70,487,999.20 is: 105,731,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570,149.60 : 170,355,224.40 = 70,487,999.20 : x
  2. Step 2: Convert to fraction form
    113,570,149.60/170,355,224.40 = 70,487,999.20/x
  3. Step 3: Cross multiply
    113,570,149.60x = 170,355,224.40 × 70,487,999.20
  4. Step 4: Simplify right side
    113,570,149.60x = 12,007,998,921,223,022
  5. Step 5: Solve for x
    x = 12,007,998,921,223,022/113,570,149.60
  6. Step 6: Final answer
    x = 105,731,998.80

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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.