Home / 42,786,090.40-64,179,135.60-40,695,901.60

Finding the Fourth Proportional to 42,786,090.40, 64,179,135.60 and 40,695,901.60

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Solution

The fourth proportional to 42,786,090.40, 64,179,135.60 and 40,695,901.60 is: 61,043,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,786,090.40 : 64,179,135.60 = 40,695,901.60 : x
  2. Step 2: Convert to fraction form
    42,786,090.40/64,179,135.60 = 40,695,901.60/x
  3. Step 3: Cross multiply
    42,786,090.40x = 64,179,135.60 × 40,695,901.60
  4. Step 4: Simplify right side
    42,786,090.40x = 2,611,827,787,150,657
  5. Step 5: Solve for x
    x = 2,611,827,787,150,657/42,786,090.40
  6. Step 6: Final answer
    x = 61,043,852.40

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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.