Home / 133,026,008.70-199,539,013.05-75,496,050.30

Finding the Fourth Proportional to 133,026,008.70, 199,539,013.05 and 75,496,050.30

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Solution

The fourth proportional to 133,026,008.70, 199,539,013.05 and 75,496,050.30 is: 113,244,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026,008.70 : 199,539,013.05 = 75,496,050.30 : x
  2. Step 2: Convert to fraction form
    133,026,008.70/199,539,013.05 = 75,496,050.30/x
  3. Step 3: Cross multiply
    133,026,008.70x = 199,539,013.05 × 75,496,050.30
  4. Step 4: Simplify right side
    133,026,008.70x = 15,064,407,366,035,156
  5. Step 5: Solve for x
    x = 15,064,407,366,035,156/133,026,008.70
  6. Step 6: Final answer
    x = 113,244,075.45

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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.