Home / 157,464,005.10-236,196,007.65-79,979,907.30

Finding the Fourth Proportional to 157,464,005.10, 236,196,007.65 and 79,979,907.30

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Solution

The fourth proportional to 157,464,005.10, 236,196,007.65 and 79,979,907.30 is: 119,969,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,005.10 : 236,196,007.65 = 79,979,907.30 : x
  2. Step 2: Convert to fraction form
    157,464,005.10/236,196,007.65 = 79,979,907.30/x
  3. Step 3: Cross multiply
    157,464,005.10x = 236,196,007.65 × 79,979,907.30
  4. Step 4: Simplify right side
    157,464,005.10x = 18,890,934,796,477,092
  5. Step 5: Solve for x
    x = 18,890,934,796,477,092/157,464,005.10
  6. Step 6: Final answer
    x = 119,969,860.95

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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.