Home / 156,725,421.60-235,200,106.80-65,914,183.20

Finding the Fourth Proportional to 156,725,421.60, 235,200,106.80 and 65,914,183.20

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Solution

The fourth proportional to 156,725,421.60, 235,200,106.80 and 65,914,183.20 is: 98,918,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725,421.60 : 235,200,106.80 = 65,914,183.20 : x
  2. Step 2: Convert to fraction form
    156,725,421.60/235,200,106.80 = 65,914,183.20/x
  3. Step 3: Cross multiply
    156,725,421.60x = 235,200,106.80 × 65,914,183.20
  4. Step 4: Simplify right side
    156,725,421.60x = 15,503,022,928,274,768
  5. Step 5: Solve for x
    x = 15,503,022,928,274,768/156,725,421.60
  6. Step 6: Final answer
    x = 98,918,368.00

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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.