Home / 259,896,970.08-358,658,069.40-142,422,559.92

Finding the Fourth Proportional to 259,896,970.08, 358,658,069.40 and 142,422,559.92

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Solution

The fourth proportional to 259,896,970.08, 358,658,069.40 and 142,422,559.92 is: 196,543,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,896,970.08 : 358,658,069.40 = 142,422,559.92 : x
  2. Step 2: Convert to fraction form
    259,896,970.08/358,658,069.40 = 142,422,559.92/x
  3. Step 3: Cross multiply
    259,896,970.08x = 358,658,069.40 × 142,422,559.92
  4. Step 4: Simplify right side
    259,896,970.08x = 51,081,000,379,913,008
  5. Step 5: Solve for x
    x = 51,081,000,379,913,008/259,896,970.08
  6. Step 6: Final answer
    x = 196,543,270.07

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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.