Home / 65,133,981.12-89,880,805.80-35,765,108.04

Finding the Fourth Proportional to 65,133,981.12, 89,880,805.80 and 35,765,108.04

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Solution

The fourth proportional to 65,133,981.12, 89,880,805.80 and 35,765,108.04 is: 49,353,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,133,981.12 : 89,880,805.80 = 35,765,108.04 : x
  2. Step 2: Convert to fraction form
    65,133,981.12/89,880,805.80 = 35,765,108.04/x
  3. Step 3: Cross multiply
    65,133,981.12x = 89,880,805.80 × 35,765,108.04
  4. Step 4: Simplify right side
    65,133,981.12x = 3,214,596,730,159,258.50
  5. Step 5: Solve for x
    x = 3,214,596,730,159,258.50/65,133,981.12
  6. Step 6: Final answer
    x = 49,353,604.29

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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.