Home / 125,500,522.02-173,136,997.38-78,375,782.89

Finding the Fourth Proportional to 125,500,522.02, 173,136,997.38 and 78,375,782.89

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Solution

The fourth proportional to 125,500,522.02, 173,136,997.38 and 78,375,782.89 is: 108,125,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500,522.02 : 173,136,997.38 = 78,375,782.89 : x
  2. Step 2: Convert to fraction form
    125,500,522.02/173,136,997.38 = 78,375,782.89/x
  3. Step 3: Cross multiply
    125,500,522.02x = 173,136,997.38 × 78,375,782.89
  4. Step 4: Simplify right side
    125,500,522.02x = 13,569,747,716,881,378
  5. Step 5: Solve for x
    x = 13,569,747,716,881,378/125,500,522.02
  6. Step 6: Final answer
    x = 108,125,030.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.