Home / 105,307,342.92-145,323,299.61-58,897,562.40

Finding the Fourth Proportional to 105,307,342.92, 145,323,299.61 and 58,897,562.40

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Solution

The fourth proportional to 105,307,342.92, 145,323,299.61 and 58,897,562.40 is: 81,278,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307,342.92 : 145,323,299.61 = 58,897,562.40 : x
  2. Step 2: Convert to fraction form
    105,307,342.92/145,323,299.61 = 58,897,562.40/x
  3. Step 3: Cross multiply
    105,307,342.92x = 145,323,299.61 × 58,897,562.40
  4. Step 4: Simplify right side
    105,307,342.92x = 8,559,188,106,953,871
  5. Step 5: Solve for x
    x = 8,559,188,106,953,871/105,307,342.92
  6. Step 6: Final answer
    x = 81,278,169.88

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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.