Home / 64,431,331.40-88,915,251.78-35,457,955.40

Finding the Fourth Proportional to 64,431,331.40, 88,915,251.78 and 35,457,955.40

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Solution

The fourth proportional to 64,431,331.40, 88,915,251.78 and 35,457,955.40 is: 48,931,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431,331.40 : 88,915,251.78 = 35,457,955.40 : x
  2. Step 2: Convert to fraction form
    64,431,331.40/88,915,251.78 = 35,457,955.40/x
  3. Step 3: Cross multiply
    64,431,331.40x = 88,915,251.78 × 35,457,955.40
  4. Step 4: Simplify right side
    64,431,331.40x = 3,152,753,031,995,010.50
  5. Step 5: Solve for x
    x = 3,152,753,031,995,010.50/64,431,331.40
  6. Step 6: Final answer
    x = 48,931,986.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.