Home / 50,938,750.69-70,297,205.72-28,615,679.22

Finding the Fourth Proportional to 50,938,750.69, 70,297,205.72 and 28,615,679.22

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Solution

The fourth proportional to 50,938,750.69, 70,297,205.72 and 28,615,679.22 is: 39,490,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938,750.69 : 70,297,205.72 = 28,615,679.22 : x
  2. Step 2: Convert to fraction form
    50,938,750.69/70,297,205.72 = 28,615,679.22/x
  3. Step 3: Cross multiply
    50,938,750.69x = 70,297,205.72 × 28,615,679.22
  4. Step 4: Simplify right side
    50,938,750.69x = 2,011,602,288,945,869
  5. Step 5: Solve for x
    x = 2,011,602,288,945,869/50,938,750.69
  6. Step 6: Final answer
    x = 39,490,609.05

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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.