Home / 72,757,528.60-109,071,738.24-26,688,800.89

Finding the Fourth Proportional to 72,757,528.60, 109,071,738.24 and 26,688,800.89

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Solution

The fourth proportional to 72,757,528.60, 109,071,738.24 and 26,688,800.89 is: 40,009,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757,528.60 : 109,071,738.24 = 26,688,800.89 : x
  2. Step 2: Convert to fraction form
    72,757,528.60/109,071,738.24 = 26,688,800.89/x
  3. Step 3: Cross multiply
    72,757,528.60x = 109,071,738.24 × 26,688,800.89
  4. Step 4: Simplify right side
    72,757,528.60x = 2,910,993,904,613,559
  5. Step 5: Solve for x
    x = 2,910,993,904,613,559/72,757,528.60
  6. Step 6: Final answer
    x = 40,009,521.50

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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.