Home / 89,045,513.20-133,568,269.80-73,740,012.40

Finding the Fourth Proportional to 89,045,513.20, 133,568,269.80 and 73,740,012.40

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Solution

The fourth proportional to 89,045,513.20, 133,568,269.80 and 73,740,012.40 is: 110,610,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045,513.20 : 133,568,269.80 = 73,740,012.40 : x
  2. Step 2: Convert to fraction form
    89,045,513.20/133,568,269.80 = 73,740,012.40/x
  3. Step 3: Cross multiply
    89,045,513.20x = 133,568,269.80 × 73,740,012.40
  4. Step 4: Simplify right side
    89,045,513.20x = 9,849,325,871,298,546
  5. Step 5: Solve for x
    x = 9,849,325,871,298,546/89,045,513.20
  6. Step 6: Final answer
    x = 110,610,018.60

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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.