Home / 213,611,655.60-320,471,205.84-98,677,515.60

Finding the Fourth Proportional to 213,611,655.60, 320,471,205.84 and 98,677,515.60

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Solution

The fourth proportional to 213,611,655.60, 320,471,205.84 and 98,677,515.60 is: 148,041,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,611,655.60 : 320,471,205.84 = 98,677,515.60 : x
  2. Step 2: Convert to fraction form
    213,611,655.60/320,471,205.84 = 98,677,515.60/x
  3. Step 3: Cross multiply
    213,611,655.60x = 320,471,205.84 × 98,677,515.60
  4. Step 4: Simplify right side
    213,611,655.60x = 31,623,302,413,627,408
  5. Step 5: Solve for x
    x = 31,623,302,413,627,408/213,611,655.60
  6. Step 6: Final answer
    x = 148,041,090.38

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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.