Home / 230,688,004.20-346,032,006.30-215,459,485.80

Finding the Fourth Proportional to 230,688,004.20, 346,032,006.30 and 215,459,485.80

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Solution

The fourth proportional to 230,688,004.20, 346,032,006.30 and 215,459,485.80 is: 323,189,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,688,004.20 : 346,032,006.30 = 215,459,485.80 : x
  2. Step 2: Convert to fraction form
    230,688,004.20/346,032,006.30 = 215,459,485.80/x
  3. Step 3: Cross multiply
    230,688,004.20x = 346,032,006.30 × 215,459,485.80
  4. Step 4: Simplify right side
    230,688,004.20x = 74,555,878,147,740,368
  5. Step 5: Solve for x
    x = 74,555,878,147,740,368/230,688,004.20
  6. Step 6: Final answer
    x = 323,189,228.70

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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.