Home / 145,163,755.20-217,745,632.80-64,384,723.20

Finding the Fourth Proportional to 145,163,755.20, 217,745,632.80 and 64,384,723.20

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Solution

The fourth proportional to 145,163,755.20, 217,745,632.80 and 64,384,723.20 is: 96,577,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,755.20 : 217,745,632.80 = 64,384,723.20 : x
  2. Step 2: Convert to fraction form
    145,163,755.20/217,745,632.80 = 64,384,723.20/x
  3. Step 3: Cross multiply
    145,163,755.20x = 217,745,632.80 × 64,384,723.20
  4. Step 4: Simplify right side
    145,163,755.20x = 14,019,492,295,836,842
  5. Step 5: Solve for x
    x = 14,019,492,295,836,842/145,163,755.20
  6. Step 6: Final answer
    x = 96,577,084.80

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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.