Home / 157,464,009.10-236,196,013.65-79,979,911.30

Finding the Fourth Proportional to 157,464,009.10, 236,196,013.65 and 79,979,911.30

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Solution

The fourth proportional to 157,464,009.10, 236,196,013.65 and 79,979,911.30 is: 119,969,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,009.10 : 236,196,013.65 = 79,979,911.30 : x
  2. Step 2: Convert to fraction form
    157,464,009.10/236,196,013.65 = 79,979,911.30/x
  3. Step 3: Cross multiply
    157,464,009.10x = 236,196,013.65 × 79,979,911.30
  4. Step 4: Simplify right side
    157,464,009.10x = 18,890,936,221,140,588
  5. Step 5: Solve for x
    x = 18,890,936,221,140,588/157,464,009.10
  6. Step 6: Final answer
    x = 119,969,866.95

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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.