Home / 336,877,640.40-505,316,460.60-81,576,008.40

Finding the Fourth Proportional to 336,877,640.40, 505,316,460.60 and 81,576,008.40

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Solution

The fourth proportional to 336,877,640.40, 505,316,460.60 and 81,576,008.40 is: 122,364,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,877,640.40 : 505,316,460.60 = 81,576,008.40 : x
  2. Step 2: Convert to fraction form
    336,877,640.40/505,316,460.60 = 81,576,008.40/x
  3. Step 3: Cross multiply
    336,877,640.40x = 505,316,460.60 × 81,576,008.40
  4. Step 4: Simplify right side
    336,877,640.40x = 41,221,699,834,563,872
  5. Step 5: Solve for x
    x = 41,221,699,834,563,872/336,877,640.40
  6. Step 6: Final answer
    x = 122,364,012.60

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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.