Home / 215,586,212.80-323,426,558.40-69,994,998.40

Finding the Fourth Proportional to 215,586,212.80, 323,426,558.40 and 69,994,998.40

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Solution

The fourth proportional to 215,586,212.80, 323,426,558.40 and 69,994,998.40 is: 105,007,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,586,212.80 : 323,426,558.40 = 69,994,998.40 : x
  2. Step 2: Convert to fraction form
    215,586,212.80/323,426,558.40 = 69,994,998.40/x
  3. Step 3: Cross multiply
    215,586,212.80x = 323,426,558.40 × 69,994,998.40
  4. Step 4: Simplify right side
    215,586,212.80x = 22,638,241,437,725,508
  5. Step 5: Solve for x
    x = 22,638,241,437,725,508/215,586,212.80
  6. Step 6: Final answer
    x = 105,007,834.89

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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.