Home / 82,945,125.60-124,417,688.40-73,091,378.40

Finding the Fourth Proportional to 82,945,125.60, 124,417,688.40 and 73,091,378.40

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Solution

The fourth proportional to 82,945,125.60, 124,417,688.40 and 73,091,378.40 is: 109,637,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,125.60 : 124,417,688.40 = 73,091,378.40 : x
  2. Step 2: Convert to fraction form
    82,945,125.60/124,417,688.40 = 73,091,378.40/x
  3. Step 3: Cross multiply
    82,945,125.60x = 124,417,688.40 × 73,091,378.40
  4. Step 4: Simplify right side
    82,945,125.60x = 9,093,860,342,497,692
  5. Step 5: Solve for x
    x = 9,093,860,342,497,692/82,945,125.60
  6. Step 6: Final answer
    x = 109,637,067.60

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1.5x scale

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.