Home / 145,406,027.70-217,731,127.95-114,920,997.30

Finding the Fourth Proportional to 145,406,027.70, 217,731,127.95 and 114,920,997.30

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Solution

The fourth proportional to 145,406,027.70, 217,731,127.95 and 114,920,997.30 is: 172,082,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406,027.70 : 217,731,127.95 = 114,920,997.30 : x
  2. Step 2: Convert to fraction form
    145,406,027.70/217,731,127.95 = 114,920,997.30/x
  3. Step 3: Cross multiply
    145,406,027.70x = 217,731,127.95 × 114,920,997.30
  4. Step 4: Simplify right side
    145,406,027.70x = 25,021,878,367,267,904
  5. Step 5: Solve for x
    x = 25,021,878,367,267,904/145,406,027.70
  6. Step 6: Final answer
    x = 172,082,813.64

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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.