Home / 282,875,004.58-390,346,403.42-159,091,766.86

Finding the Fourth Proportional to 282,875,004.58, 390,346,403.42 and 159,091,766.86

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Solution

The fourth proportional to 282,875,004.58, 390,346,403.42 and 159,091,766.86 is: 219,534,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,875,004.58 : 390,346,403.42 = 159,091,766.86 : x
  2. Step 2: Convert to fraction form
    282,875,004.58/390,346,403.42 = 159,091,766.86/x
  3. Step 3: Cross multiply
    282,875,004.58x = 390,346,403.42 × 159,091,766.86
  4. Step 4: Simplify right side
    282,875,004.58x = 62,100,899,007,534,152
  5. Step 5: Solve for x
    x = 62,100,899,007,534,152/282,875,004.58
  6. Step 6: Final answer
    x = 219,534,769.78

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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.