Home / 291,624,915.84-402,252,772.32-187,037,327.04

Finding the Fourth Proportional to 291,624,915.84, 402,252,772.32 and 187,037,327.04

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Solution

The fourth proportional to 291,624,915.84, 402,252,772.32 and 187,037,327.04 is: 257,989,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,624,915.84 : 402,252,772.32 = 187,037,327.04 : x
  2. Step 2: Convert to fraction form
    291,624,915.84/402,252,772.32 = 187,037,327.04/x
  3. Step 3: Cross multiply
    291,624,915.84x = 402,252,772.32 × 187,037,327.04
  4. Step 4: Simplify right side
    291,624,915.84x = 75,236,283,329,162,496
  5. Step 5: Solve for x
    x = 75,236,283,329,162,496/291,624,915.84
  6. Step 6: Final answer
    x = 257,989,901.56

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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.