Home / 297,880,683.12-411,079,125.72-163,934,021.28

Finding the Fourth Proportional to 297,880,683.12, 411,079,125.72 and 163,934,021.28

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Solution

The fourth proportional to 297,880,683.12, 411,079,125.72 and 163,934,021.28 is: 226,231,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,880,683.12 : 411,079,125.72 = 163,934,021.28 : x
  2. Step 2: Convert to fraction form
    297,880,683.12/411,079,125.72 = 163,934,021.28/x
  3. Step 3: Cross multiply
    297,880,683.12x = 411,079,125.72 × 163,934,021.28
  4. Step 4: Simplify right side
    297,880,683.12x = 67,389,854,143,546,280
  5. Step 5: Solve for x
    x = 67,389,854,143,546,280/297,880,683.12
  6. Step 6: Final answer
    x = 226,231,031.29

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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.