Home / 65,533,071.20-90,437,810.38-35,765,349.28

Finding the Fourth Proportional to 65,533,071.20, 90,437,810.38 and 35,765,349.28

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Solution

The fourth proportional to 65,533,071.20, 90,437,810.38 and 35,765,349.28 is: 49,357,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,533,071.20 : 90,437,810.38 = 35,765,349.28 : x
  2. Step 2: Convert to fraction form
    65,533,071.20/90,437,810.38 = 35,765,349.28/x
  3. Step 3: Cross multiply
    65,533,071.20x = 90,437,810.38 × 35,765,349.28
  4. Step 4: Simplify right side
    65,533,071.20x = 3,234,539,876,359,109.50
  5. Step 5: Solve for x
    x = 3,234,539,876,359,109.50/65,533,071.20
  6. Step 6: Final answer
    x = 49,357,367.47

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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.