Home / 70,816,997.40-106,225,496.10-42,048,324.60

Finding the Fourth Proportional to 70,816,997.40, 106,225,496.10 and 42,048,324.60

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Solution

The fourth proportional to 70,816,997.40, 106,225,496.10 and 42,048,324.60 is: 63,072,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816,997.40 : 106,225,496.10 = 42,048,324.60 : x
  2. Step 2: Convert to fraction form
    70,816,997.40/106,225,496.10 = 42,048,324.60/x
  3. Step 3: Cross multiply
    70,816,997.40x = 106,225,496.10 × 42,048,324.60
  4. Step 4: Simplify right side
    70,816,997.40x = 4,466,604,140,808,834
  5. Step 5: Solve for x
    x = 4,466,604,140,808,834/70,816,997.40
  6. Step 6: Final answer
    x = 63,072,486.90

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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.