Home / 90,127,611.36-124,376,136.48-48,874,492.80

Finding the Fourth Proportional to 90,127,611.36, 124,376,136.48 and 48,874,492.80

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Solution

The fourth proportional to 90,127,611.36, 124,376,136.48 and 48,874,492.80 is: 67,446,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127,611.36 : 124,376,136.48 = 48,874,492.80 : x
  2. Step 2: Convert to fraction form
    90,127,611.36/124,376,136.48 = 48,874,492.80/x
  3. Step 3: Cross multiply
    90,127,611.36x = 124,376,136.48 × 48,874,492.80
  4. Step 4: Simplify right side
    90,127,611.36x = 6,078,820,586,883,577
  5. Step 5: Solve for x
    x = 6,078,820,586,883,577/90,127,611.36
  6. Step 6: Final answer
    x = 67,446,817.85

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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.