Home / 268,510,261.81-370,524,130.03-151,012,891.65

Finding the Fourth Proportional to 268,510,261.81, 370,524,130.03 and 151,012,891.65

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Solution

The fourth proportional to 268,510,261.81, 370,524,130.03 and 151,012,891.65 is: 208,386,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,510,261.81 : 370,524,130.03 = 151,012,891.65 : x
  2. Step 2: Convert to fraction form
    268,510,261.81/370,524,130.03 = 151,012,891.65/x
  3. Step 3: Cross multiply
    268,510,261.81x = 370,524,130.03 × 151,012,891.65
  4. Step 4: Simplify right side
    268,510,261.81x = 55,953,920,301,930,896
  5. Step 5: Solve for x
    x = 55,953,920,301,930,896/268,510,261.81
  6. Step 6: Final answer
    x = 208,386,524.69

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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.