Home / 306,813,659.18-423,400,045.12-167,584,379.18

Finding the Fourth Proportional to 306,813,659.18, 423,400,045.12 and 167,584,379.18

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Solution

The fourth proportional to 306,813,659.18, 423,400,045.12 and 167,584,379.18 is: 231,264,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,813,659.18 : 423,400,045.12 = 167,584,379.18 : x
  2. Step 2: Convert to fraction form
    306,813,659.18/423,400,045.12 = 167,584,379.18/x
  3. Step 3: Cross multiply
    306,813,659.18x = 423,400,045.12 × 167,584,379.18
  4. Step 4: Simplify right side
    306,813,659.18x = 70,955,233,703,683,232
  5. Step 5: Solve for x
    x = 70,955,233,703,683,232/306,813,659.18
  6. Step 6: Final answer
    x = 231,264,911.39

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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.