Home / 178,678,393.66-246,582,164-99,296,800.78

Finding the Fourth Proportional to 178,678,393.66, 246,582,164 and 99,296,800.78

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Solution

The fourth proportional to 178,678,393.66, 246,582,164 and 99,296,800.78 is: 137,032,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,678,393.66 : 246,582,164 = 99,296,800.78 : x
  2. Step 2: Convert to fraction form
    178,678,393.66/246,582,164 = 99,296,800.78/x
  3. Step 3: Cross multiply
    178,678,393.66x = 246,582,164 × 99,296,800.78
  4. Step 4: Simplify right side
    178,678,393.66x = 24,484,820,014,609,288
  5. Step 5: Solve for x
    x = 24,484,820,014,609,288/178,678,393.66
  6. Step 6: Final answer
    x = 137,032,908.75

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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.