Home / 194,761,448,904.96-291,938,274,946.03-81,506,064,037.91

Finding the Fourth Proportional to 194,761,448,904.96, 291,938,274,946.03 and 81,506,064,037.91

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Solution

The fourth proportional to 194,761,448,904.96, 291,938,274,946.03 and 81,506,064,037.91 is: 122,173,766,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,761,448,904.96 : 291,938,274,946.03 = 81,506,064,037.91 : x
  2. Step 2: Convert to fraction form
    194,761,448,904.96/291,938,274,946.03 = 81,506,064,037.91/x
  3. Step 3: Cross multiply
    194,761,448,904.96x = 291,938,274,946.03 × 81,506,064,037.91
  4. Step 4: Simplify right side
    194,761,448,904.96x = 23,794,739,732,866,639,331,328
  5. Step 5: Solve for x
    x = 23,794,739,732,866,639,331,328/194,761,448,904.96
  6. Step 6: Final answer
    x = 122,173,766,249.18

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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.