Home / 208,744,723.76-288,059,826.83-115,931,210.31

Finding the Fourth Proportional to 208,744,723.76, 288,059,826.83 and 115,931,210.31

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Solution

The fourth proportional to 208,744,723.76, 288,059,826.83 and 115,931,210.31 is: 159,980,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,723.76 : 288,059,826.83 = 115,931,210.31 : x
  2. Step 2: Convert to fraction form
    208,744,723.76/288,059,826.83 = 115,931,210.31/x
  3. Step 3: Cross multiply
    208,744,723.76x = 288,059,826.83 × 115,931,210.31
  4. Step 4: Simplify right side
    208,744,723.76x = 33,395,124,365,511,252
  5. Step 5: Solve for x
    x = 33,395,124,365,511,252/208,744,723.76
  6. Step 6: Final answer
    x = 159,980,687.25

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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.