Home / 139,610,566.48-209,022,133.12-73,882,829.32

Finding the Fourth Proportional to 139,610,566.48, 209,022,133.12 and 73,882,829.32

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Solution

The fourth proportional to 139,610,566.48, 209,022,133.12 and 73,882,829.32 is: 110,615,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,610,566.48 : 209,022,133.12 = 73,882,829.32 : x
  2. Step 2: Convert to fraction form
    139,610,566.48/209,022,133.12 = 73,882,829.32/x
  3. Step 3: Cross multiply
    139,610,566.48x = 209,022,133.12 × 73,882,829.32
  4. Step 4: Simplify right side
    139,610,566.48x = 15,443,146,585,407,278
  5. Step 5: Solve for x
    x = 15,443,146,585,407,278/139,610,566.48
  6. Step 6: Final answer
    x = 110,615,886.57

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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.