Home / 54,125,157.12-74,620,461.24-42,998,567.76

Finding the Fourth Proportional to 54,125,157.12, 74,620,461.24 and 42,998,567.76

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Solution

The fourth proportional to 54,125,157.12, 74,620,461.24 and 42,998,567.76 is: 59,280,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125,157.12 : 74,620,461.24 = 42,998,567.76 : x
  2. Step 2: Convert to fraction form
    54,125,157.12/74,620,461.24 = 42,998,567.76/x
  3. Step 3: Cross multiply
    54,125,157.12x = 74,620,461.24 × 42,998,567.76
  4. Step 4: Simplify right side
    54,125,157.12x = 3,208,572,958,910,593
  5. Step 5: Solve for x
    x = 3,208,572,958,910,593/54,125,157.12
  6. Step 6: Final answer
    x = 59,280,621.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.