Home / 312,103,136.70-468,012,987.45-117,950,024.70

Finding the Fourth Proportional to 312,103,136.70, 468,012,987.45 and 117,950,024.70

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Solution

The fourth proportional to 312,103,136.70, 468,012,987.45 and 117,950,024.70 is: 176,871,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,103,136.70 : 468,012,987.45 = 117,950,024.70 : x
  2. Step 2: Convert to fraction form
    312,103,136.70/468,012,987.45 = 117,950,024.70/x
  3. Step 3: Cross multiply
    312,103,136.70x = 468,012,987.45 × 117,950,024.70
  4. Step 4: Simplify right side
    312,103,136.70x = 55,202,143,429,648,288
  5. Step 5: Solve for x
    x = 55,202,143,429,648,288/312,103,136.70
  6. Step 6: Final answer
    x = 176,871,479.13

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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.