Home / 308,191,284.95-425,303,870.87-168,959,057.36

Finding the Fourth Proportional to 308,191,284.95, 425,303,870.87 and 168,959,057.36

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Solution

The fourth proportional to 308,191,284.95, 425,303,870.87 and 168,959,057.36 is: 233,163,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,191,284.95 : 425,303,870.87 = 168,959,057.36 : x
  2. Step 2: Convert to fraction form
    308,191,284.95/425,303,870.87 = 168,959,057.36/x
  3. Step 3: Cross multiply
    308,191,284.95x = 425,303,870.87 × 168,959,057.36
  4. Step 4: Simplify right side
    308,191,284.95x = 71,858,941,112,050,240
  5. Step 5: Solve for x
    x = 71,858,941,112,050,240/308,191,284.95
  6. Step 6: Final answer
    x = 233,163,443.04

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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.