Home / 98,470,380.60-147,573,540.90-76,637,123.82

Finding the Fourth Proportional to 98,470,380.60, 147,573,540.90 and 76,637,123.82

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Solution

The fourth proportional to 98,470,380.60, 147,573,540.90 and 76,637,123.82 is: 114,852,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,470,380.60 : 147,573,540.90 = 76,637,123.82 : x
  2. Step 2: Convert to fraction form
    98,470,380.60/147,573,540.90 = 76,637,123.82/x
  3. Step 3: Cross multiply
    98,470,380.60x = 147,573,540.90 × 76,637,123.82
  4. Step 4: Simplify right side
    98,470,380.60x = 11,309,611,726,509,134
  5. Step 5: Solve for x
    x = 11,309,611,726,509,134/98,470,380.60
  6. Step 6: Final answer
    x = 114,852,929.96

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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.