Home / 83,218,486.42-114,850,155.45-47,937,510.82

Finding the Fourth Proportional to 83,218,486.42, 114,850,155.45 and 47,937,510.82

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Solution

The fourth proportional to 83,218,486.42, 114,850,155.45 and 47,937,510.82 is: 66,158,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218,486.42 : 114,850,155.45 = 47,937,510.82 : x
  2. Step 2: Convert to fraction form
    83,218,486.42/114,850,155.45 = 47,937,510.82/x
  3. Step 3: Cross multiply
    83,218,486.42x = 114,850,155.45 × 47,937,510.82
  4. Step 4: Simplify right side
    83,218,486.42x = 5,505,630,569,563,057
  5. Step 5: Solve for x
    x = 5,505,630,569,563,057/83,218,486.42
  6. Step 6: Final answer
    x = 66,158,744.37

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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.