Home / 72,686,823.12-109,006,647.60-24,151,645.08

Finding the Fourth Proportional to 72,686,823.12, 109,006,647.60 and 24,151,645.08

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Solution

The fourth proportional to 72,686,823.12, 109,006,647.60 and 24,151,645.08 is: 36,219,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,686,823.12 : 109,006,647.60 = 24,151,645.08 : x
  2. Step 2: Convert to fraction form
    72,686,823.12/109,006,647.60 = 24,151,645.08/x
  3. Step 3: Cross multiply
    72,686,823.12x = 109,006,647.60 × 24,151,645.08
  4. Step 4: Simplify right side
    72,686,823.12x = 2,632,689,864,195,833.50
  5. Step 5: Solve for x
    x = 2,632,689,864,195,833.50/72,686,823.12
  6. Step 6: Final answer
    x = 36,219,630.34

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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.