Home / 50,748,897.60-76,123,346.40-12,409,912.80

Finding the Fourth Proportional to 50,748,897.60, 76,123,346.40 and 12,409,912.80

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Solution

The fourth proportional to 50,748,897.60, 76,123,346.40 and 12,409,912.80 is: 18,614,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748,897.60 : 76,123,346.40 = 12,409,912.80 : x
  2. Step 2: Convert to fraction form
    50,748,897.60/76,123,346.40 = 12,409,912.80/x
  3. Step 3: Cross multiply
    50,748,897.60x = 76,123,346.40 × 12,409,912.80
  4. Step 4: Simplify right side
    50,748,897.60x = 944,684,090,868,194
  5. Step 5: Solve for x
    x = 944,684,090,868,194/50,748,897.60
  6. Step 6: Final answer
    x = 18,614,869.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.