Home / 103,610,813.67-142,982,182.60-56,567,885.67

Finding the Fourth Proportional to 103,610,813.67, 142,982,182.60 and 56,567,885.67

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Solution

The fourth proportional to 103,610,813.67, 142,982,182.60 and 56,567,885.67 is: 78,063,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,813.67 : 142,982,182.60 = 56,567,885.67 : x
  2. Step 2: Convert to fraction form
    103,610,813.67/142,982,182.60 = 56,567,885.67/x
  3. Step 3: Cross multiply
    103,610,813.67x = 142,982,182.60 × 56,567,885.67
  4. Step 4: Simplify right side
    103,610,813.67x = 8,088,199,758,022,444
  5. Step 5: Solve for x
    x = 8,088,199,758,022,444/103,610,813.67
  6. Step 6: Final answer
    x = 78,063,278.06

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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.