Home / 289,725,406.20-434,588,109.30-95,666,772.60

Finding the Fourth Proportional to 289,725,406.20, 434,588,109.30 and 95,666,772.60

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Solution

The fourth proportional to 289,725,406.20, 434,588,109.30 and 95,666,772.60 is: 143,500,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,725,406.20 : 434,588,109.30 = 95,666,772.60 : x
  2. Step 2: Convert to fraction form
    289,725,406.20/434,588,109.30 = 95,666,772.60/x
  3. Step 3: Cross multiply
    289,725,406.20x = 434,588,109.30 × 95,666,772.60
  4. Step 4: Simplify right side
    289,725,406.20x = 41,575,641,827,067,040
  5. Step 5: Solve for x
    x = 41,575,641,827,067,040/289,725,406.20
  6. Step 6: Final answer
    x = 143,500,158.90

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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.