Home / 74,999,970.46-112,275,814.64-45,366,480.91

Finding the Fourth Proportional to 74,999,970.46, 112,275,814.64 and 45,366,480.91

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Solution

The fourth proportional to 74,999,970.46, 112,275,814.64 and 45,366,480.91 is: 67,914,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999,970.46 : 112,275,814.64 = 45,366,480.91 : x
  2. Step 2: Convert to fraction form
    74,999,970.46/112,275,814.64 = 45,366,480.91/x
  3. Step 3: Cross multiply
    74,999,970.46x = 112,275,814.64 × 45,366,480.91
  4. Step 4: Simplify right side
    74,999,970.46x = 5,093,558,601,352,985
  5. Step 5: Solve for x
    x = 5,093,558,601,352,985/74,999,970.46
  6. Step 6: Final answer
    x = 67,914,141.44

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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.