Home / 71,174,818,098.10-98,214,756,969.10-42,234,020,858.42

Finding the Fourth Proportional to 71,174,818,098.10, 98,214,756,969.10 and 42,234,020,858.42

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Solution

The fourth proportional to 71,174,818,098.10, 98,214,756,969.10 and 42,234,020,858.42 is: 58,279,096,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,174,818,098.10 : 98,214,756,969.10 = 42,234,020,858.42 : x
  2. Step 2: Convert to fraction form
    71,174,818,098.10/98,214,756,969.10 = 42,234,020,858.42/x
  3. Step 3: Cross multiply
    71,174,818,098.10x = 98,214,756,969.10 × 42,234,020,858.42
  4. Step 4: Simplify right side
    71,174,818,098.10x = 4,148,004,094,437,129,977,856
  5. Step 5: Solve for x
    x = 4,148,004,094,437,129,977,856/71,174,818,098.10
  6. Step 6: Final answer
    x = 58,279,096,529.90

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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.