Home / 108,281,994.30-149,263,841.34-66,388,500.36

Finding the Fourth Proportional to 108,281,994.30, 149,263,841.34 and 66,388,500.36

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Solution

The fourth proportional to 108,281,994.30, 149,263,841.34 and 66,388,500.36 is: 91,514,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281,994.30 : 149,263,841.34 = 66,388,500.36 : x
  2. Step 2: Convert to fraction form
    108,281,994.30/149,263,841.34 = 66,388,500.36/x
  3. Step 3: Cross multiply
    108,281,994.30x = 149,263,841.34 × 66,388,500.36
  4. Step 4: Simplify right side
    108,281,994.30x = 9,909,402,584,535,574
  5. Step 5: Solve for x
    x = 9,909,402,584,535,574/108,281,994.30
  6. Step 6: Final answer
    x = 91,514,777.21

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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.