Home / 262,195,411.20-393,293,116.80-68,090,899.20

Finding the Fourth Proportional to 262,195,411.20, 393,293,116.80 and 68,090,899.20

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Solution

The fourth proportional to 262,195,411.20, 393,293,116.80 and 68,090,899.20 is: 102,136,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,195,411.20 : 393,293,116.80 = 68,090,899.20 : x
  2. Step 2: Convert to fraction form
    262,195,411.20/393,293,116.80 = 68,090,899.20/x
  3. Step 3: Cross multiply
    262,195,411.20x = 393,293,116.80 × 68,090,899.20
  4. Step 4: Simplify right side
    262,195,411.20x = 26,779,681,972,082,628
  5. Step 5: Solve for x
    x = 26,779,681,972,082,628/262,195,411.20
  6. Step 6: Final answer
    x = 102,136,348.80

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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.