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Finding the Fourth Proportional to 245,904,339.70, 368,858,095.02 and 98,364,225.41

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Solution

The fourth proportional to 245,904,339.70, 368,858,095.02 and 98,364,225.41 is: 147,546,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,904,339.70 : 368,858,095.02 = 98,364,225.41 : x
  2. Step 2: Convert to fraction form
    245,904,339.70/368,858,095.02 = 98,364,225.41/x
  3. Step 3: Cross multiply
    245,904,339.70x = 368,858,095.02 × 98,364,225.41
  4. Step 4: Simplify right side
    245,904,339.70x = 36,282,440,802,850,472
  5. Step 5: Solve for x
    x = 36,282,440,802,850,472/245,904,339.70
  6. Step 6: Final answer
    x = 147,546,972.32

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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.