Home / 284,196,941.10-392,225,807.79-172,705,999.32

Finding the Fourth Proportional to 284,196,941.10, 392,225,807.79 and 172,705,999.32

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Solution

The fourth proportional to 284,196,941.10, 392,225,807.79 and 172,705,999.32 is: 238,354,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,196,941.10 : 392,225,807.79 = 172,705,999.32 : x
  2. Step 2: Convert to fraction form
    284,196,941.10/392,225,807.79 = 172,705,999.32/x
  3. Step 3: Cross multiply
    284,196,941.10x = 392,225,807.79 × 172,705,999.32
  4. Step 4: Simplify right side
    284,196,941.10x = 67,739,750,093,466,192
  5. Step 5: Solve for x
    x = 67,739,750,093,466,192/284,196,941.10
  6. Step 6: Final answer
    x = 238,354,958.47

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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.