Home / 256,124,598.57-384,197,526.66-74,371,776.57

Finding the Fourth Proportional to 256,124,598.57, 384,197,526.66 and 74,371,776.57

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Solution

The fourth proportional to 256,124,598.57, 384,197,526.66 and 74,371,776.57 is: 111,560,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,124,598.57 : 384,197,526.66 = 74,371,776.57 : x
  2. Step 2: Convert to fraction form
    256,124,598.57/384,197,526.66 = 74,371,776.57/x
  3. Step 3: Cross multiply
    256,124,598.57x = 384,197,526.66 × 74,371,776.57
  4. Step 4: Simplify right side
    256,124,598.57x = 28,573,452,611,504,136
  5. Step 5: Solve for x
    x = 28,573,452,611,504,136/256,124,598.57
  6. Step 6: Final answer
    x = 111,560,751.18

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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.