Home / 213,677,999.70-320,516,999.55-144,803,246.10

Finding the Fourth Proportional to 213,677,999.70, 320,516,999.55 and 144,803,246.10

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Solution

The fourth proportional to 213,677,999.70, 320,516,999.55 and 144,803,246.10 is: 217,204,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,677,999.70 : 320,516,999.55 = 144,803,246.10 : x
  2. Step 2: Convert to fraction form
    213,677,999.70/320,516,999.55 = 144,803,246.10/x
  3. Step 3: Cross multiply
    213,677,999.70x = 320,516,999.55 × 144,803,246.10
  4. Step 4: Simplify right side
    213,677,999.70x = 46,411,901,965,072,240
  5. Step 5: Solve for x
    x = 46,411,901,965,072,240/213,677,999.70
  6. Step 6: Final answer
    x = 217,204,869.15

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1.5x scale

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.