Home / 371,019,559.73-512,005,131.68-201,472,282.96

Finding the Fourth Proportional to 371,019,559.73, 512,005,131.68 and 201,472,282.96

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Solution

The fourth proportional to 371,019,559.73, 512,005,131.68 and 201,472,282.96 is: 278,030,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,019,559.73 : 512,005,131.68 = 201,472,282.96 : x
  2. Step 2: Convert to fraction form
    371,019,559.73/512,005,131.68 = 201,472,282.96/x
  3. Step 3: Cross multiply
    371,019,559.73x = 512,005,131.68 × 201,472,282.96
  4. Step 4: Simplify right side
    371,019,559.73x = 103,154,842,767,193,184
  5. Step 5: Solve for x
    x = 103,154,842,767,193,184/371,019,559.73
  6. Step 6: Final answer
    x = 278,030,740.06

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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.