Home / 105,923,669.23-146,186,910.30-61,881,677.34

Finding the Fourth Proportional to 105,923,669.23, 146,186,910.30 and 61,881,677.34

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Solution

The fourth proportional to 105,923,669.23, 146,186,910.30 and 61,881,677.34 is: 85,403,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923,669.23 : 146,186,910.30 = 61,881,677.34 : x
  2. Step 2: Convert to fraction form
    105,923,669.23/146,186,910.30 = 61,881,677.34/x
  3. Step 3: Cross multiply
    105,923,669.23x = 146,186,910.30 × 61,881,677.34
  4. Step 4: Simplify right side
    105,923,669.23x = 9,046,291,214,516,124
  5. Step 5: Solve for x
    x = 9,046,291,214,516,124/105,923,669.23
  6. Step 6: Final answer
    x = 85,403,869.41

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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.