Home / 173,506,789.65-260,303,261.09-86,109,325.21

Finding the Fourth Proportional to 173,506,789.65, 260,303,261.09 and 86,109,325.21

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Solution

The fourth proportional to 173,506,789.65, 260,303,261.09 and 86,109,325.21 is: 129,185,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,506,789.65 : 260,303,261.09 = 86,109,325.21 : x
  2. Step 2: Convert to fraction form
    173,506,789.65/260,303,261.09 = 86,109,325.21/x
  3. Step 3: Cross multiply
    173,506,789.65x = 260,303,261.09 × 86,109,325.21
  4. Step 4: Simplify right side
    173,506,789.65x = 22,414,538,162,422,348
  5. Step 5: Solve for x
    x = 22,414,538,162,422,348/173,506,789.65
  6. Step 6: Final answer
    x = 129,185,366.22

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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.