Home / 308,018,535.75-425,086,434.32-174,009,973.64

Finding the Fourth Proportional to 308,018,535.75, 425,086,434.32 and 174,009,973.64

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Solution

The fourth proportional to 308,018,535.75, 425,086,434.32 and 174,009,973.64 is: 240,145,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018,535.75 : 425,086,434.32 = 174,009,973.64 : x
  2. Step 2: Convert to fraction form
    308,018,535.75/425,086,434.32 = 174,009,973.64/x
  3. Step 3: Cross multiply
    308,018,535.75x = 425,086,434.32 × 174,009,973.64
  4. Step 4: Simplify right side
    308,018,535.75x = 73,969,279,227,749,312
  5. Step 5: Solve for x
    x = 73,969,279,227,749,312/308,018,535.75
  6. Step 6: Final answer
    x = 240,145,545.29

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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.