Home / 119,570,069.70-179,355,104.55-78,755,400.90

Finding the Fourth Proportional to 119,570,069.70, 179,355,104.55 and 78,755,400.90

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Solution

The fourth proportional to 119,570,069.70, 179,355,104.55 and 78,755,400.90 is: 118,133,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,570,069.70 : 179,355,104.55 = 78,755,400.90 : x
  2. Step 2: Convert to fraction form
    119,570,069.70/179,355,104.55 = 78,755,400.90/x
  3. Step 3: Cross multiply
    119,570,069.70x = 179,355,104.55 × 78,755,400.90
  4. Step 4: Simplify right side
    119,570,069.70x = 14,125,183,162,296,666
  5. Step 5: Solve for x
    x = 14,125,183,162,296,666/119,570,069.70
  6. Step 6: Final answer
    x = 118,133,101.35

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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.