Home / 308,141,655.36-425,240,665.32-167,017,350.18

Finding the Fourth Proportional to 308,141,655.36, 425,240,665.32 and 167,017,350.18

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Solution

The fourth proportional to 308,141,655.36, 425,240,665.32 and 167,017,350.18 is: 230,486,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,141,655.36 : 425,240,665.32 = 167,017,350.18 : x
  2. Step 2: Convert to fraction form
    308,141,655.36/425,240,665.32 = 167,017,350.18/x
  3. Step 3: Cross multiply
    308,141,655.36x = 425,240,665.32 × 167,017,350.18
  4. Step 4: Simplify right side
    308,141,655.36x = 71,022,569,110,526,624
  5. Step 5: Solve for x
    x = 71,022,569,110,526,624/308,141,655.36
  6. Step 6: Final answer
    x = 230,486,751.39

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1.5x scale

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.