Home / 99,345,878.20-149,018,817.30-26,573,890.60

Finding the Fourth Proportional to 99,345,878.20, 149,018,817.30 and 26,573,890.60

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Solution

The fourth proportional to 99,345,878.20, 149,018,817.30 and 26,573,890.60 is: 39,860,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,345,878.20 : 149,018,817.30 = 26,573,890.60 : x
  2. Step 2: Convert to fraction form
    99,345,878.20/149,018,817.30 = 26,573,890.60/x
  3. Step 3: Cross multiply
    99,345,878.20x = 149,018,817.30 × 26,573,890.60
  4. Step 4: Simplify right side
    99,345,878.20x = 3,960,009,748,271,588
  5. Step 5: Solve for x
    x = 3,960,009,748,271,588/99,345,878.20
  6. Step 6: Final answer
    x = 39,860,835.90

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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.