Home / 157,758,855.60-236,638,283.40-72,824,199.60

Finding the Fourth Proportional to 157,758,855.60, 236,638,283.40 and 72,824,199.60

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Solution

The fourth proportional to 157,758,855.60, 236,638,283.40 and 72,824,199.60 is: 109,236,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,758,855.60 : 236,638,283.40 = 72,824,199.60 : x
  2. Step 2: Convert to fraction form
    157,758,855.60/236,638,283.40 = 72,824,199.60/x
  3. Step 3: Cross multiply
    157,758,855.60x = 236,638,283.40 × 72,824,199.60
  4. Step 4: Simplify right side
    157,758,855.60x = 17,232,993,583,322,966
  5. Step 5: Solve for x
    x = 17,232,993,583,322,966/157,758,855.60
  6. Step 6: Final answer
    x = 109,236,299.40

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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.