Home / 52,258,756.85-72,121,118.61-31,351,572.53

Finding the Fourth Proportional to 52,258,756.85, 72,121,118.61 and 31,351,572.53

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Solution

The fourth proportional to 52,258,756.85, 72,121,118.61 and 31,351,572.53 is: 43,267,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258,756.85 : 72,121,118.61 = 31,351,572.53 : x
  2. Step 2: Convert to fraction form
    52,258,756.85/72,121,118.61 = 31,351,572.53/x
  3. Step 3: Cross multiply
    52,258,756.85x = 72,121,118.61 × 31,351,572.53
  4. Step 4: Simplify right side
    52,258,756.85x = 2,261,110,481,046,148
  5. Step 5: Solve for x
    x = 2,261,110,481,046,148/52,258,756.85
  6. Step 6: Final answer
    x = 43,267,590.30

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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.