Home / 85,680,229.42-118,235,400.37-46,521,109.90

Finding the Fourth Proportional to 85,680,229.42, 118,235,400.37 and 46,521,109.90

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Solution

The fourth proportional to 85,680,229.42, 118,235,400.37 and 46,521,109.90 is: 64,197,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680,229.42 : 118,235,400.37 = 46,521,109.90 : x
  2. Step 2: Convert to fraction form
    85,680,229.42/118,235,400.37 = 46,521,109.90/x
  3. Step 3: Cross multiply
    85,680,229.42x = 118,235,400.37 × 46,521,109.90
  4. Step 4: Simplify right side
    85,680,229.42x = 5,500,442,054,683,271
  5. Step 5: Solve for x
    x = 5,500,442,054,683,271/85,680,229.42
  6. Step 6: Final answer
    x = 64,197,331.08

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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.