Home / 189,566,562,113.60-261,601,792,574.68-103,925,689,101.86

Finding the Fourth Proportional to 189,566,562,113.60, 261,601,792,574.68 and 103,925,689,101.86

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Solution

The fourth proportional to 189,566,562,113.60, 261,601,792,574.68 and 103,925,689,101.86 is: 143,417,416,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,566,562,113.60 : 261,601,792,574.68 = 103,925,689,101.86 : x
  2. Step 2: Convert to fraction form
    189,566,562,113.60/261,601,792,574.68 = 103,925,689,101.86/x
  3. Step 3: Cross multiply
    189,566,562,113.60x = 261,601,792,574.68 × 103,925,689,101.86
  4. Step 4: Simplify right side
    189,566,562,113.60x = 27,187,146,563,605,462,253,568
  5. Step 5: Solve for x
    x = 27,187,146,563,605,462,253,568/189,566,562,113.60
  6. Step 6: Final answer
    x = 143,417,416,344.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.