Home / 213,996,403.81-320,893,417.35-82,900,081.24

Finding the Fourth Proportional to 213,996,403.81, 320,893,417.35 and 82,900,081.24

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Solution

The fourth proportional to 213,996,403.81, 320,893,417.35 and 82,900,081.24 is: 124,310,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,996,403.81 : 320,893,417.35 = 82,900,081.24 : x
  2. Step 2: Convert to fraction form
    213,996,403.81/320,893,417.35 = 82,900,081.24/x
  3. Step 3: Cross multiply
    213,996,403.81x = 320,893,417.35 × 82,900,081.24
  4. Step 4: Simplify right side
    213,996,403.81x = 26,602,090,367,696,224
  5. Step 5: Solve for x
    x = 26,602,090,367,696,224/213,996,403.81
  6. Step 6: Final answer
    x = 124,310,922.49

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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.