Home / 142,169,612.52-213,254,418.78-34,464,236.52

Finding the Fourth Proportional to 142,169,612.52, 213,254,418.78 and 34,464,236.52

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Solution

The fourth proportional to 142,169,612.52, 213,254,418.78 and 34,464,236.52 is: 51,696,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169,612.52 : 213,254,418.78 = 34,464,236.52 : x
  2. Step 2: Convert to fraction form
    142,169,612.52/213,254,418.78 = 34,464,236.52/x
  3. Step 3: Cross multiply
    142,169,612.52x = 213,254,418.78 × 34,464,236.52
  4. Step 4: Simplify right side
    142,169,612.52x = 7,349,650,727,769,051
  5. Step 5: Solve for x
    x = 7,349,650,727,769,051/142,169,612.52
  6. Step 6: Final answer
    x = 51,696,354.78

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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.