Home / 65,567,205.72-90,398,628.54-53,762,984.28

Finding the Fourth Proportional to 65,567,205.72, 90,398,628.54 and 53,762,984.28

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Solution

The fourth proportional to 65,567,205.72, 90,398,628.54 and 53,762,984.28 is: 74,123,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567,205.72 : 90,398,628.54 = 53,762,984.28 : x
  2. Step 2: Convert to fraction form
    65,567,205.72/90,398,628.54 = 53,762,984.28/x
  3. Step 3: Cross multiply
    65,567,205.72x = 90,398,628.54 × 53,762,984.28
  4. Step 4: Simplify right side
    65,567,205.72x = 4,860,100,045,129,580
  5. Step 5: Solve for x
    x = 4,860,100,045,129,580/65,567,205.72
  6. Step 6: Final answer
    x = 74,123,946.44

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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.