Home / 277,569,815.40-416,056,124.70-104,979,940.20

Finding the Fourth Proportional to 277,569,815.40, 416,056,124.70 and 104,979,940.20

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Solution

The fourth proportional to 277,569,815.40, 416,056,124.70 and 104,979,940.20 is: 157,356,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,569,815.40 : 416,056,124.70 = 104,979,940.20 : x
  2. Step 2: Convert to fraction form
    277,569,815.40/416,056,124.70 = 104,979,940.20/x
  3. Step 3: Cross multiply
    277,569,815.40x = 416,056,124.70 × 104,979,940.20
  4. Step 4: Simplify right side
    277,569,815.40x = 43,677,547,090,849,744
  5. Step 5: Solve for x
    x = 43,677,547,090,849,744/277,569,815.40
  6. Step 6: Final answer
    x = 157,356,977.12

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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.