Home / 103,370,246.53-142,650,953.76-56,327,327.89

Finding the Fourth Proportional to 103,370,246.53, 142,650,953.76 and 56,327,327.89

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Solution

The fourth proportional to 103,370,246.53, 142,650,953.76 and 56,327,327.89 is: 77,731,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,370,246.53 : 142,650,953.76 = 56,327,327.89 : x
  2. Step 2: Convert to fraction form
    103,370,246.53/142,650,953.76 = 56,327,327.89/x
  3. Step 3: Cross multiply
    103,370,246.53x = 142,650,953.76 × 56,327,327.89
  4. Step 4: Simplify right side
    103,370,246.53x = 8,035,147,046,260,748
  5. Step 5: Solve for x
    x = 8,035,147,046,260,748/103,370,246.53
  6. Step 6: Final answer
    x = 77,731,719.87

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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.