Home / 291,028,595.60-436,542,893.40-145,484,620.40

Finding the Fourth Proportional to 291,028,595.60, 436,542,893.40 and 145,484,620.40

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Solution

The fourth proportional to 291,028,595.60, 436,542,893.40 and 145,484,620.40 is: 218,226,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,028,595.60 : 436,542,893.40 = 145,484,620.40 : x
  2. Step 2: Convert to fraction form
    291,028,595.60/436,542,893.40 = 145,484,620.40/x
  3. Step 3: Cross multiply
    291,028,595.60x = 436,542,893.40 × 145,484,620.40
  4. Step 4: Simplify right side
    291,028,595.60x = 63,510,277,134,616,664
  5. Step 5: Solve for x
    x = 63,510,277,134,616,664/291,028,595.60
  6. Step 6: Final answer
    x = 218,226,930.60

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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.