Home / 287,976,907.77-397,407,875.94-162,555,503.37

Finding the Fourth Proportional to 287,976,907.77, 397,407,875.94 and 162,555,503.37

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Solution

The fourth proportional to 287,976,907.77, 397,407,875.94 and 162,555,503.37 is: 224,326,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,976,907.77 : 397,407,875.94 = 162,555,503.37 : x
  2. Step 2: Convert to fraction form
    287,976,907.77/397,407,875.94 = 162,555,503.37/x
  3. Step 3: Cross multiply
    287,976,907.77x = 397,407,875.94 × 162,555,503.37
  4. Step 4: Simplify right side
    287,976,907.77x = 64,600,837,316,629,216
  5. Step 5: Solve for x
    x = 64,600,837,316,629,216/287,976,907.77
  6. Step 6: Final answer
    x = 224,326,449.70

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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.