Home / 93,149,901.28-128,543,121.20-50,762,560.63

Finding the Fourth Proportional to 93,149,901.28, 128,543,121.20 and 50,762,560.63

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Solution

The fourth proportional to 93,149,901.28, 128,543,121.20 and 50,762,560.63 is: 70,050,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149,901.28 : 128,543,121.20 = 50,762,560.63 : x
  2. Step 2: Convert to fraction form
    93,149,901.28/128,543,121.20 = 50,762,560.63/x
  3. Step 3: Cross multiply
    93,149,901.28x = 128,543,121.20 × 50,762,560.63
  4. Step 4: Simplify right side
    93,149,901.28x = 6,525,177,982,841,723
  5. Step 5: Solve for x
    x = 6,525,177,982,841,723/93,149,901.28
  6. Step 6: Final answer
    x = 70,050,294.13

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Double scale
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1.5x scale

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.