Home / 252,116,205.60-378,174,308.40-178,139,618.40

Finding the Fourth Proportional to 252,116,205.60, 378,174,308.40 and 178,139,618.40

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Solution

The fourth proportional to 252,116,205.60, 378,174,308.40 and 178,139,618.40 is: 267,209,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,116,205.60 : 378,174,308.40 = 178,139,618.40 : x
  2. Step 2: Convert to fraction form
    252,116,205.60/378,174,308.40 = 178,139,618.40/x
  3. Step 3: Cross multiply
    252,116,205.60x = 378,174,308.40 × 178,139,618.40
  4. Step 4: Simplify right side
    252,116,205.60x = 67,367,826,987,059,912
  5. Step 5: Solve for x
    x = 67,367,826,987,059,912/252,116,205.60
  6. Step 6: Final answer
    x = 267,209,427.60

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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.