Home / 242,728,642.80-364,092,964.20-238,697,564.40

Finding the Fourth Proportional to 242,728,642.80, 364,092,964.20 and 238,697,564.40

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Solution

The fourth proportional to 242,728,642.80, 364,092,964.20 and 238,697,564.40 is: 358,046,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,728,642.80 : 364,092,964.20 = 238,697,564.40 : x
  2. Step 2: Convert to fraction form
    242,728,642.80/364,092,964.20 = 238,697,564.40/x
  3. Step 3: Cross multiply
    242,728,642.80x = 364,092,964.20 × 238,697,564.40
  4. Step 4: Simplify right side
    242,728,642.80x = 86,908,103,769,716,400
  5. Step 5: Solve for x
    x = 86,908,103,769,716,400/242,728,642.80
  6. Step 6: Final answer
    x = 358,046,346.60

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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.