Home / 108,815,341.20-163,010,435.40-65,556,043.80

Finding the Fourth Proportional to 108,815,341.20, 163,010,435.40 and 65,556,043.80

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Solution

The fourth proportional to 108,815,341.20, 163,010,435.40 and 65,556,043.80 is: 98,205,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,341.20 : 163,010,435.40 = 65,556,043.80 : x
  2. Step 2: Convert to fraction form
    108,815,341.20/163,010,435.40 = 65,556,043.80/x
  3. Step 3: Cross multiply
    108,815,341.20x = 163,010,435.40 × 65,556,043.80
  4. Step 4: Simplify right side
    108,815,341.20x = 10,686,319,242,939,470
  5. Step 5: Solve for x
    x = 10,686,319,242,939,470/108,815,341.20
  6. Step 6: Final answer
    x = 98,205,998.58

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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.