Home / 98,512,455.45-147,782,679.98-30,348,039.45

Finding the Fourth Proportional to 98,512,455.45, 147,782,679.98 and 30,348,039.45

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Solution

The fourth proportional to 98,512,455.45, 147,782,679.98 and 30,348,039.45 is: 45,526,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,512,455.45 : 147,782,679.98 = 30,348,039.45 : x
  2. Step 2: Convert to fraction form
    98,512,455.45/147,782,679.98 = 30,348,039.45/x
  3. Step 3: Cross multiply
    98,512,455.45x = 147,782,679.98 × 30,348,039.45
  4. Step 4: Simplify right side
    98,512,455.45x = 4,484,914,601,908,024.50
  5. Step 5: Solve for x
    x = 4,484,914,601,908,024.50/98,512,455.45
  6. Step 6: Final answer
    x = 45,526,371.07

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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.