Home / 277,609,896.40-416,116,246.20-105,020,021.20

Finding the Fourth Proportional to 277,609,896.40, 416,116,246.20 and 105,020,021.20

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Solution

The fourth proportional to 277,609,896.40, 416,116,246.20 and 105,020,021.20 is: 157,417,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,609,896.40 : 416,116,246.20 = 105,020,021.20 : x
  2. Step 2: Convert to fraction form
    277,609,896.40/416,116,246.20 = 105,020,021.20/x
  3. Step 3: Cross multiply
    277,609,896.40x = 416,116,246.20 × 105,020,021.20
  4. Step 4: Simplify right side
    277,609,896.40x = 43,700,536,997,588,416
  5. Step 5: Solve for x
    x = 43,700,536,997,588,416/277,609,896.40
  6. Step 6: Final answer
    x = 157,417,071.81

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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.