Home / 154,931,949.41-232,343,608.76-45,727,982.69

Finding the Fourth Proportional to 154,931,949.41, 232,343,608.76 and 45,727,982.69

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Solution

The fourth proportional to 154,931,949.41, 232,343,608.76 and 45,727,982.69 is: 68,575,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,931,949.41 : 232,343,608.76 = 45,727,982.69 : x
  2. Step 2: Convert to fraction form
    154,931,949.41/232,343,608.76 = 45,727,982.69/x
  3. Step 3: Cross multiply
    154,931,949.41x = 232,343,608.76 × 45,727,982.69
  4. Step 4: Simplify right side
    154,931,949.41x = 10,624,604,519,509,412
  5. Step 5: Solve for x
    x = 10,624,604,519,509,412/154,931,949.41
  6. Step 6: Final answer
    x = 68,575,942.92

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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.