Home / 72,482,814.64-100,026,300.51-39,887,766.64

Finding the Fourth Proportional to 72,482,814.64, 100,026,300.51 and 39,887,766.64

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Solution

The fourth proportional to 72,482,814.64, 100,026,300.51 and 39,887,766.64 is: 55,045,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,814.64 : 100,026,300.51 = 39,887,766.64 : x
  2. Step 2: Convert to fraction form
    72,482,814.64/100,026,300.51 = 39,887,766.64/x
  3. Step 3: Cross multiply
    72,482,814.64x = 100,026,300.51 × 39,887,766.64
  4. Step 4: Simplify right side
    72,482,814.64x = 3,989,825,732,405,187.50
  5. Step 5: Solve for x
    x = 3,989,825,732,405,187.50/72,482,814.64
  6. Step 6: Final answer
    x = 55,045,126.94

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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.