Home / 272,583,855.40-408,875,783.10-165,088,431.40

Finding the Fourth Proportional to 272,583,855.40, 408,875,783.10 and 165,088,431.40

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Solution

The fourth proportional to 272,583,855.40, 408,875,783.10 and 165,088,431.40 is: 247,632,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,583,855.40 : 408,875,783.10 = 165,088,431.40 : x
  2. Step 2: Convert to fraction form
    272,583,855.40/408,875,783.10 = 165,088,431.40/x
  3. Step 3: Cross multiply
    272,583,855.40x = 408,875,783.10 × 165,088,431.40
  4. Step 4: Simplify right side
    272,583,855.40x = 67,500,661,669,425,632
  5. Step 5: Solve for x
    x = 67,500,661,669,425,632/272,583,855.40
  6. Step 6: Final answer
    x = 247,632,647.10

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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.