Home / 76,830,466.46-106,028,568.41-42,023,155.77

Finding the Fourth Proportional to 76,830,466.46, 106,028,568.41 and 42,023,155.77

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Solution

The fourth proportional to 76,830,466.46, 106,028,568.41 and 42,023,155.77 is: 57,993,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830,466.46 : 106,028,568.41 = 42,023,155.77 : x
  2. Step 2: Convert to fraction form
    76,830,466.46/106,028,568.41 = 42,023,155.77/x
  3. Step 3: Cross multiply
    76,830,466.46x = 106,028,568.41 × 42,023,155.77
  4. Step 4: Simplify right side
    76,830,466.46x = 4,455,655,046,153,416
  5. Step 5: Solve for x
    x = 4,455,655,046,153,416/76,830,466.46
  6. Step 6: Final answer
    x = 57,993,335.87

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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.