Home / 105,217,518.96-145,205,236.98-58,173,721.94

Finding the Fourth Proportional to 105,217,518.96, 145,205,236.98 and 58,173,721.94

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Solution

The fourth proportional to 105,217,518.96, 145,205,236.98 and 58,173,721.94 is: 80,282,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217,518.96 : 145,205,236.98 = 58,173,721.94 : x
  2. Step 2: Convert to fraction form
    105,217,518.96/145,205,236.98 = 58,173,721.94/x
  3. Step 3: Cross multiply
    105,217,518.96x = 145,205,236.98 × 58,173,721.94
  4. Step 4: Simplify right side
    105,217,518.96x = 8,447,129,079,580,299
  5. Step 5: Solve for x
    x = 8,447,129,079,580,299/105,217,518.96
  6. Step 6: Final answer
    x = 80,282,534.34

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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.