Home / 313,690,842.40-470,984,161.20-177,641,946.40

Finding the Fourth Proportional to 313,690,842.40, 470,984,161.20 and 177,641,946.40

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Solution

The fourth proportional to 313,690,842.40, 470,984,161.20 and 177,641,946.40 is: 266,716,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,690,842.40 : 470,984,161.20 = 177,641,946.40 : x
  2. Step 2: Convert to fraction form
    313,690,842.40/470,984,161.20 = 177,641,946.40/x
  3. Step 3: Cross multiply
    313,690,842.40x = 470,984,161.20 × 177,641,946.40
  4. Step 4: Simplify right side
    313,690,842.40x = 83,666,543,119,139,360
  5. Step 5: Solve for x
    x = 83,666,543,119,139,360/313,690,842.40
  6. Step 6: Final answer
    x = 266,716,562.33

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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.