Home / 142,172,410,113.29-213,331,934,738.61-66,633,235,053.86

Finding the Fourth Proportional to 142,172,410,113.29, 213,331,934,738.61 and 66,633,235,053.86

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Solution

The fourth proportional to 142,172,410,113.29, 213,331,934,738.61 and 66,633,235,053.86 is: 99,984,215,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,172,410,113.29 : 213,331,934,738.61 = 66,633,235,053.86 : x
  2. Step 2: Convert to fraction form
    142,172,410,113.29/213,331,934,738.61 = 66,633,235,053.86/x
  3. Step 3: Cross multiply
    142,172,410,113.29x = 213,331,934,738.61 × 66,633,235,053.86
  4. Step 4: Simplify right side
    142,172,410,113.29x = 14,214,996,951,932,946,350,080
  5. Step 5: Solve for x
    x = 14,214,996,951,932,946,350,080/142,172,410,113.29
  6. Step 6: Final answer
    x = 99,984,215,929.14

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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.