Home / 208,457,016-312,482,187.64-99,252,845.16

Finding the Fourth Proportional to 208,457,016, 312,482,187.64 and 99,252,845.16

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Solution

The fourth proportional to 208,457,016, 312,482,187.64 and 99,252,845.16 is: 148,782,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,457,016 : 312,482,187.64 = 99,252,845.16 : x
  2. Step 2: Convert to fraction form
    208,457,016/312,482,187.64 = 99,252,845.16/x
  3. Step 3: Cross multiply
    208,457,016x = 312,482,187.64 × 99,252,845.16
  4. Step 4: Simplify right side
    208,457,016x = 31,014,746,185,090,984
  5. Step 5: Solve for x
    x = 31,014,746,185,090,984/208,457,016
  6. Step 6: Final answer
    x = 148,782,453.00

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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.