Home / 73,102,878.30-109,654,317.45-70,977,114.30

Finding the Fourth Proportional to 73,102,878.30, 109,654,317.45 and 70,977,114.30

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Solution

The fourth proportional to 73,102,878.30, 109,654,317.45 and 70,977,114.30 is: 106,465,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102,878.30 : 109,654,317.45 = 70,977,114.30 : x
  2. Step 2: Convert to fraction form
    73,102,878.30/109,654,317.45 = 70,977,114.30/x
  3. Step 3: Cross multiply
    73,102,878.30x = 109,654,317.45 × 70,977,114.30
  4. Step 4: Simplify right side
    73,102,878.30x = 7,782,947,023,137,134
  5. Step 5: Solve for x
    x = 7,782,947,023,137,134/73,102,878.30
  6. Step 6: Final answer
    x = 106,465,671.45

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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.