Home / 42,786,092.40-64,179,138.60-40,695,903.60

Finding the Fourth Proportional to 42,786,092.40, 64,179,138.60 and 40,695,903.60

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Solution

The fourth proportional to 42,786,092.40, 64,179,138.60 and 40,695,903.60 is: 61,043,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,786,092.40 : 64,179,138.60 = 40,695,903.60 : x
  2. Step 2: Convert to fraction form
    42,786,092.40/64,179,138.60 = 40,695,903.60/x
  3. Step 3: Cross multiply
    42,786,092.40x = 64,179,138.60 × 40,695,903.60
  4. Step 4: Simplify right side
    42,786,092.40x = 2,611,828,037,596,639
  5. Step 5: Solve for x
    x = 2,611,828,037,596,639/42,786,092.40
  6. Step 6: Final answer
    x = 61,043,855.40

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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.