Home / 213,532,901.80-320,299,352.70-177,820,066.60

Finding the Fourth Proportional to 213,532,901.80, 320,299,352.70 and 177,820,066.60

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Solution

The fourth proportional to 213,532,901.80, 320,299,352.70 and 177,820,066.60 is: 266,730,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,532,901.80 : 320,299,352.70 = 177,820,066.60 : x
  2. Step 2: Convert to fraction form
    213,532,901.80/320,299,352.70 = 177,820,066.60/x
  3. Step 3: Cross multiply
    213,532,901.80x = 320,299,352.70 × 177,820,066.60
  4. Step 4: Simplify right side
    213,532,901.80x = 56,955,652,229,050,888
  5. Step 5: Solve for x
    x = 56,955,652,229,050,888/213,532,901.80
  6. Step 6: Final answer
    x = 266,730,099.90

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1.5x scale

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.