Home / 154,159,530,911.45-231,238,363,688.22-83,861,007,014.37

Finding the Fourth Proportional to 154,159,530,911.45, 231,238,363,688.22 and 83,861,007,014.37

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Solution

The fourth proportional to 154,159,530,911.45, 231,238,363,688.22 and 83,861,007,014.37 is: 125,791,003,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159,530,911.45 : 231,238,363,688.22 = 83,861,007,014.37 : x
  2. Step 2: Convert to fraction form
    154,159,530,911.45/231,238,363,688.22 = 83,861,007,014.37/x
  3. Step 3: Cross multiply
    154,159,530,911.45x = 231,238,363,688.22 × 83,861,007,014.37
  4. Step 4: Simplify right side
    154,159,530,911.45x = 19,391,882,039,249,256,579,072
  5. Step 5: Solve for x
    x = 19,391,882,039,249,256,579,072/154,159,530,911.45
  6. Step 6: Final answer
    x = 125,791,003,154.96

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1.5x scale

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.