Home / 201,210,649.60-301,815,974.40-99,173,977.60

Finding the Fourth Proportional to 201,210,649.60, 301,815,974.40 and 99,173,977.60

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Solution

The fourth proportional to 201,210,649.60, 301,815,974.40 and 99,173,977.60 is: 148,760,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,210,649.60 : 301,815,974.40 = 99,173,977.60 : x
  2. Step 2: Convert to fraction form
    201,210,649.60/301,815,974.40 = 99,173,977.60/x
  3. Step 3: Cross multiply
    201,210,649.60x = 301,815,974.40 × 99,173,977.60
  4. Step 4: Simplify right side
    201,210,649.60x = 29,932,290,684,467,768
  5. Step 5: Solve for x
    x = 29,932,290,684,467,768/201,210,649.60
  6. Step 6: Final answer
    x = 148,760,966.40

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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.