Home / 52,403,853.78-72,317,604.90-30,390,404.94

Finding the Fourth Proportional to 52,403,853.78, 72,317,604.90 and 30,390,404.94

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Solution

The fourth proportional to 52,403,853.78, 72,317,604.90 and 30,390,404.94 is: 41,938,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,853.78 : 72,317,604.90 = 30,390,404.94 : x
  2. Step 2: Convert to fraction form
    52,403,853.78/72,317,604.90 = 30,390,404.94/x
  3. Step 3: Cross multiply
    52,403,853.78x = 72,317,604.90 × 30,390,404.94
  4. Step 4: Simplify right side
    52,403,853.78x = 2,197,761,297,201,928.50
  5. Step 5: Solve for x
    x = 2,197,761,297,201,928.50/52,403,853.78
  6. Step 6: Final answer
    x = 41,938,925.07

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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.