Home / 162,328,940.70-224,007,936.77-87,987,905.16

Finding the Fourth Proportional to 162,328,940.70, 224,007,936.77 and 87,987,905.16

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Solution

The fourth proportional to 162,328,940.70, 224,007,936.77 and 87,987,905.16 is: 121,420,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328,940.70 : 224,007,936.77 = 87,987,905.16 : x
  2. Step 2: Convert to fraction form
    162,328,940.70/224,007,936.77 = 87,987,905.16/x
  3. Step 3: Cross multiply
    162,328,940.70x = 224,007,936.77 × 87,987,905.16
  4. Step 4: Simplify right side
    162,328,940.70x = 19,709,989,095,963,152
  5. Step 5: Solve for x
    x = 19,709,989,095,963,152/162,328,940.70
  6. Step 6: Final answer
    x = 121,420,056.16

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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.