Home / 65,944,350.40-98,870,445.60-39,004,139.20

Finding the Fourth Proportional to 65,944,350.40, 98,870,445.60 and 39,004,139.20

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Solution

The fourth proportional to 65,944,350.40, 98,870,445.60 and 39,004,139.20 is: 58,478,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944,350.40 : 98,870,445.60 = 39,004,139.20 : x
  2. Step 2: Convert to fraction form
    65,944,350.40/98,870,445.60 = 39,004,139.20/x
  3. Step 3: Cross multiply
    65,944,350.40x = 98,870,445.60 × 39,004,139.20
  4. Step 4: Simplify right side
    65,944,350.40x = 3,856,356,622,948,427.50
  5. Step 5: Solve for x
    x = 3,856,356,622,948,427.50/65,944,350.40
  6. Step 6: Final answer
    x = 58,478,953.84

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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.