Home / 265,713,126.48-398,684,755.08-142,747,972.56

Finding the Fourth Proportional to 265,713,126.48, 398,684,755.08 and 142,747,972.56

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Solution

The fourth proportional to 265,713,126.48, 398,684,755.08 and 142,747,972.56 is: 214,183,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,713,126.48 : 398,684,755.08 = 142,747,972.56 : x
  2. Step 2: Convert to fraction form
    265,713,126.48/398,684,755.08 = 142,747,972.56/x
  3. Step 3: Cross multiply
    265,713,126.48x = 398,684,755.08 × 142,747,972.56
  4. Step 4: Simplify right side
    265,713,126.48x = 56,911,440,478,250,160
  5. Step 5: Solve for x
    x = 56,911,440,478,250,160/265,713,126.48
  6. Step 6: Final answer
    x = 214,183,774.93

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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.