Home / 65,457,171.04-98,170,010.16-20,019,359.20

Finding the Fourth Proportional to 65,457,171.04, 98,170,010.16 and 20,019,359.20

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Solution

The fourth proportional to 65,457,171.04, 98,170,010.16 and 20,019,359.20 is: 30,024,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457,171.04 : 98,170,010.16 = 20,019,359.20 : x
  2. Step 2: Convert to fraction form
    65,457,171.04/98,170,010.16 = 20,019,359.20/x
  3. Step 3: Cross multiply
    65,457,171.04x = 98,170,010.16 × 20,019,359.20
  4. Step 4: Simplify right side
    65,457,171.04x = 1,965,300,696,060,689.25
  5. Step 5: Solve for x
    x = 1,965,300,696,060,689.25/65,457,171.04
  6. Step 6: Final answer
    x = 30,024,222.94

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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.