Home / 254,711,484.40-382,142,187.24-82,185,061.36

Finding the Fourth Proportional to 254,711,484.40, 382,142,187.24 and 82,185,061.36

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Solution

The fourth proportional to 254,711,484.40, 382,142,187.24 and 82,185,061.36 is: 123,301,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,711,484.40 : 382,142,187.24 = 82,185,061.36 : x
  2. Step 2: Convert to fraction form
    254,711,484.40/382,142,187.24 = 82,185,061.36/x
  3. Step 3: Cross multiply
    254,711,484.40x = 382,142,187.24 × 82,185,061.36
  4. Step 4: Simplify right side
    254,711,484.40x = 31,406,379,106,564,008
  5. Step 5: Solve for x
    x = 31,406,379,106,564,008/254,711,484.40
  6. Step 6: Final answer
    x = 123,301,778.80

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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.