Home / 290,174,722.20-434,695,212.90-174,816,595.80

Finding the Fourth Proportional to 290,174,722.20, 434,695,212.90 and 174,816,595.80

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Solution

The fourth proportional to 290,174,722.20, 434,695,212.90 and 174,816,595.80 is: 261,883,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,174,722.20 : 434,695,212.90 = 174,816,595.80 : x
  2. Step 2: Convert to fraction form
    290,174,722.20/434,695,212.90 = 174,816,595.80/x
  3. Step 3: Cross multiply
    290,174,722.20x = 434,695,212.90 × 174,816,595.80
  4. Step 4: Simplify right side
    290,174,722.20x = 75,991,937,329,734,240
  5. Step 5: Solve for x
    x = 75,991,937,329,734,240/290,174,722.20
  6. Step 6: Final answer
    x = 261,883,381.00

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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.