Home / 52,632,431.40-78,966,570.78-28,373,702.52

Finding the Fourth Proportional to 52,632,431.40, 78,966,570.78 and 28,373,702.52

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Solution

The fourth proportional to 52,632,431.40, 78,966,570.78 and 28,373,702.52 is: 42,570,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,632,431.40 : 78,966,570.78 = 28,373,702.52 : x
  2. Step 2: Convert to fraction form
    52,632,431.40/78,966,570.78 = 28,373,702.52/x
  3. Step 3: Cross multiply
    52,632,431.40x = 78,966,570.78 × 28,373,702.52
  4. Step 4: Simplify right side
    52,632,431.40x = 2,240,573,988,336,244.25
  5. Step 5: Solve for x
    x = 2,240,573,988,336,244.25/52,632,431.40
  6. Step 6: Final answer
    x = 42,570,216.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.