Home / 142,652,468.25-214,051,916.94-67,954,294.20

Finding the Fourth Proportional to 142,652,468.25, 214,051,916.94 and 67,954,294.20

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Solution

The fourth proportional to 142,652,468.25, 214,051,916.94 and 67,954,294.20 is: 101,966,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,652,468.25 : 214,051,916.94 = 67,954,294.20 : x
  2. Step 2: Convert to fraction form
    142,652,468.25/214,051,916.94 = 67,954,294.20/x
  3. Step 3: Cross multiply
    142,652,468.25x = 214,051,916.94 × 67,954,294.20
  4. Step 4: Simplify right side
    142,652,468.25x = 14,545,746,937,814,724
  5. Step 5: Solve for x
    x = 14,545,746,937,814,724/142,652,468.25
  6. Step 6: Final answer
    x = 101,966,317.98

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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.