Home / 236,196,355.40-354,294,533.10-212,387,798.60

Finding the Fourth Proportional to 236,196,355.40, 354,294,533.10 and 212,387,798.60

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Solution

The fourth proportional to 236,196,355.40, 354,294,533.10 and 212,387,798.60 is: 318,581,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,355.40 : 354,294,533.10 = 212,387,798.60 : x
  2. Step 2: Convert to fraction form
    236,196,355.40/354,294,533.10 = 212,387,798.60/x
  3. Step 3: Cross multiply
    236,196,355.40x = 354,294,533.10 × 212,387,798.60
  4. Step 4: Simplify right side
    236,196,355.40x = 75,247,835,941,123,840
  5. Step 5: Solve for x
    x = 75,247,835,941,123,840/236,196,355.40
  6. Step 6: Final answer
    x = 318,581,697.90

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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.