Home / 131,210,902.33-181,071,038.30-70,859,890.34

Finding the Fourth Proportional to 131,210,902.33, 181,071,038.30 and 70,859,890.34

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Solution

The fourth proportional to 131,210,902.33, 181,071,038.30 and 70,859,890.34 is: 97,786,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,210,902.33 : 181,071,038.30 = 70,859,890.34 : x
  2. Step 2: Convert to fraction form
    131,210,902.33/181,071,038.30 = 70,859,890.34/x
  3. Step 3: Cross multiply
    131,210,902.33x = 181,071,038.30 × 70,859,890.34
  4. Step 4: Simplify right side
    131,210,902.33x = 12,830,673,917,687,942
  5. Step 5: Solve for x
    x = 12,830,673,917,687,942/131,210,902.33
  6. Step 6: Final answer
    x = 97,786,644.94

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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.