Home / 131,154,162.34-195,880,917.53-118,833,509.47

Finding the Fourth Proportional to 131,154,162.34, 195,880,917.53 and 118,833,509.47

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Solution

The fourth proportional to 131,154,162.34, 195,880,917.53 and 118,833,509.47 is: 177,479,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154,162.34 : 195,880,917.53 = 118,833,509.47 : x
  2. Step 2: Convert to fraction form
    131,154,162.34/195,880,917.53 = 118,833,509.47/x
  3. Step 3: Cross multiply
    131,154,162.34x = 195,880,917.53 × 118,833,509.47
  4. Step 4: Simplify right side
    131,154,162.34x = 23,277,216,868,293,544
  5. Step 5: Solve for x
    x = 23,277,216,868,293,544/131,154,162.34
  6. Step 6: Final answer
    x = 177,479,818.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.