Home / 208,580,526.88-312,882,746.73-55,222,598.32

Finding the Fourth Proportional to 208,580,526.88, 312,882,746.73 and 55,222,598.32

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Solution

The fourth proportional to 208,580,526.88, 312,882,746.73 and 55,222,598.32 is: 82,837,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,580,526.88 : 312,882,746.73 = 55,222,598.32 : x
  2. Step 2: Convert to fraction form
    208,580,526.88/312,882,746.73 = 55,222,598.32/x
  3. Step 3: Cross multiply
    208,580,526.88x = 312,882,746.73 × 55,222,598.32
  4. Step 4: Simplify right side
    208,580,526.88x = 17,278,198,243,929,084
  5. Step 5: Solve for x
    x = 17,278,198,243,929,084/208,580,526.88
  6. Step 6: Final answer
    x = 82,837,062.99

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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.