Home / 211,778,833.20-317,668,249.80-58,424,643.60

Finding the Fourth Proportional to 211,778,833.20, 317,668,249.80 and 58,424,643.60

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Solution

The fourth proportional to 211,778,833.20, 317,668,249.80 and 58,424,643.60 is: 87,636,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,778,833.20 : 317,668,249.80 = 58,424,643.60 : x
  2. Step 2: Convert to fraction form
    211,778,833.20/317,668,249.80 = 58,424,643.60/x
  3. Step 3: Cross multiply
    211,778,833.20x = 317,668,249.80 × 58,424,643.60
  4. Step 4: Simplify right side
    211,778,833.20x = 18,559,654,277,600,772
  5. Step 5: Solve for x
    x = 18,559,654,277,600,772/211,778,833.20
  6. Step 6: Final answer
    x = 87,636,965.40

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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.