Home / 279,937,007.70-419,905,511.55-98,160,566.10

Finding the Fourth Proportional to 279,937,007.70, 419,905,511.55 and 98,160,566.10

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Solution

The fourth proportional to 279,937,007.70, 419,905,511.55 and 98,160,566.10 is: 147,240,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,007.70 : 419,905,511.55 = 98,160,566.10 : x
  2. Step 2: Convert to fraction form
    279,937,007.70/419,905,511.55 = 98,160,566.10/x
  3. Step 3: Cross multiply
    279,937,007.70x = 419,905,511.55 × 98,160,566.10
  4. Step 4: Simplify right side
    279,937,007.70x = 41,218,162,722,258,088
  5. Step 5: Solve for x
    x = 41,218,162,722,258,088/279,937,007.70
  6. Step 6: Final answer
    x = 147,240,849.15

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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.