Home / 86,023,140.37-118,680,793.64-56,270,771.20

Finding the Fourth Proportional to 86,023,140.37, 118,680,793.64 and 56,270,771.20

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Solution

The fourth proportional to 86,023,140.37, 118,680,793.64 and 56,270,771.20 is: 77,633,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023,140.37 : 118,680,793.64 = 56,270,771.20 : x
  2. Step 2: Convert to fraction form
    86,023,140.37/118,680,793.64 = 56,270,771.20/x
  3. Step 3: Cross multiply
    86,023,140.37x = 118,680,793.64 × 56,270,771.20
  4. Step 4: Simplify right side
    86,023,140.37x = 6,678,259,785,201,988
  5. Step 5: Solve for x
    x = 6,678,259,785,201,988/86,023,140.37
  6. Step 6: Final answer
    x = 77,633,294.44

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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.