Home / 89,389,856.52-134,178,607.08-79,219,781.64

Finding the Fourth Proportional to 89,389,856.52, 134,178,607.08 and 79,219,781.64

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Solution

The fourth proportional to 89,389,856.52, 134,178,607.08 and 79,219,781.64 is: 118,912,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389,856.52 : 134,178,607.08 = 79,219,781.64 : x
  2. Step 2: Convert to fraction form
    89,389,856.52/134,178,607.08 = 79,219,781.64/x
  3. Step 3: Cross multiply
    89,389,856.52x = 134,178,607.08 × 79,219,781.64
  4. Step 4: Simplify right side
    89,389,856.52x = 10,629,599,953,636,958
  5. Step 5: Solve for x
    x = 10,629,599,953,636,958/89,389,856.52
  6. Step 6: Final answer
    x = 118,912,820.40

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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.