Home / 156,782,080.80-235,157,914.80-47,608,197.12

Finding the Fourth Proportional to 156,782,080.80, 235,157,914.80 and 47,608,197.12

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Solution

The fourth proportional to 156,782,080.80, 235,157,914.80 and 47,608,197.12 is: 71,407,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782,080.80 : 235,157,914.80 = 47,608,197.12 : x
  2. Step 2: Convert to fraction form
    156,782,080.80/235,157,914.80 = 47,608,197.12/x
  3. Step 3: Cross multiply
    156,782,080.80x = 235,157,914.80 × 47,608,197.12
  4. Step 4: Simplify right side
    156,782,080.80x = 11,195,444,362,126,566
  5. Step 5: Solve for x
    x = 11,195,444,362,126,566/156,782,080.80
  6. Step 6: Final answer
    x = 71,407,678.13

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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.