Home / 152,502,147.70-210,455,094.45-82,887,507.70

Finding the Fourth Proportional to 152,502,147.70, 210,455,094.45 and 82,887,507.70

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Solution

The fourth proportional to 152,502,147.70, 210,455,094.45 and 82,887,507.70 is: 114,385,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,502,147.70 : 210,455,094.45 = 82,887,507.70 : x
  2. Step 2: Convert to fraction form
    152,502,147.70/210,455,094.45 = 82,887,507.70/x
  3. Step 3: Cross multiply
    152,502,147.70x = 210,455,094.45 × 82,887,507.70
  4. Step 4: Simplify right side
    152,502,147.70x = 17,444,098,261,728,602
  5. Step 5: Solve for x
    x = 17,444,098,261,728,602/152,502,147.70
  6. Step 6: Final answer
    x = 114,385,918.66

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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.