Home / 50,938,749.19-70,297,203.65-28,615,677.72

Finding the Fourth Proportional to 50,938,749.19, 70,297,203.65 and 28,615,677.72

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Solution

The fourth proportional to 50,938,749.19, 70,297,203.65 and 28,615,677.72 is: 39,490,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938,749.19 : 70,297,203.65 = 28,615,677.72 : x
  2. Step 2: Convert to fraction form
    50,938,749.19/70,297,203.65 = 28,615,677.72/x
  3. Step 3: Cross multiply
    50,938,749.19x = 70,297,203.65 × 28,615,677.72
  4. Step 4: Simplify right side
    50,938,749.19x = 2,011,602,123,858,914.50
  5. Step 5: Solve for x
    x = 2,011,602,123,858,914.50/50,938,749.19
  6. Step 6: Final answer
    x = 39,490,606.97

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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.