Home / 154,159,530,931.71-231,238,363,718.60-83,861,007,034.59

Finding the Fourth Proportional to 154,159,530,931.71, 231,238,363,718.60 and 83,861,007,034.59

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Solution

The fourth proportional to 154,159,530,931.71, 231,238,363,718.60 and 83,861,007,034.59 is: 125,791,003,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159,530,931.71 : 231,238,363,718.60 = 83,861,007,034.59 : x
  2. Step 2: Convert to fraction form
    154,159,530,931.71/231,238,363,718.60 = 83,861,007,034.59/x
  3. Step 3: Cross multiply
    154,159,530,931.71x = 231,238,363,718.60 × 83,861,007,034.59
  4. Step 4: Simplify right side
    154,159,530,931.71x = 19,391,882,046,472,594,653,184
  5. Step 5: Solve for x
    x = 19,391,882,046,472,594,653,184/154,159,530,931.71
  6. Step 6: Final answer
    x = 125,791,003,185.28

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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.