Home / 169,490,439.10-254,313,847.77-77,402,407.42

Finding the Fourth Proportional to 169,490,439.10, 254,313,847.77 and 77,402,407.42

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Solution

The fourth proportional to 169,490,439.10, 254,313,847.77 and 77,402,407.42 is: 116,139,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490,439.10 : 254,313,847.77 = 77,402,407.42 : x
  2. Step 2: Convert to fraction form
    169,490,439.10/254,313,847.77 = 77,402,407.42/x
  3. Step 3: Cross multiply
    169,490,439.10x = 254,313,847.77 × 77,402,407.42
  4. Step 4: Simplify right side
    169,490,439.10x = 19,684,504,057,641,400
  5. Step 5: Solve for x
    x = 19,684,504,057,641,400/169,490,439.10
  6. Step 6: Final answer
    x = 116,139,318.31

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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.