Home / 107,676,080.80-161,514,121.20-42,989,869.60

Finding the Fourth Proportional to 107,676,080.80, 161,514,121.20 and 42,989,869.60

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Solution

The fourth proportional to 107,676,080.80, 161,514,121.20 and 42,989,869.60 is: 64,484,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,676,080.80 : 161,514,121.20 = 42,989,869.60 : x
  2. Step 2: Convert to fraction form
    107,676,080.80/161,514,121.20 = 42,989,869.60/x
  3. Step 3: Cross multiply
    107,676,080.80x = 161,514,121.20 × 42,989,869.60
  4. Step 4: Simplify right side
    107,676,080.80x = 6,943,471,008,946,595
  5. Step 5: Solve for x
    x = 6,943,471,008,946,595/107,676,080.80
  6. Step 6: Final answer
    x = 64,484,804.40

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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.