Home / 104,976,808.30-157,465,212.45-66,807,534.70

Finding the Fourth Proportional to 104,976,808.30, 157,465,212.45 and 66,807,534.70

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Solution

The fourth proportional to 104,976,808.30, 157,465,212.45 and 66,807,534.70 is: 100,211,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,808.30 : 157,465,212.45 = 66,807,534.70 : x
  2. Step 2: Convert to fraction form
    104,976,808.30/157,465,212.45 = 66,807,534.70/x
  3. Step 3: Cross multiply
    104,976,808.30x = 157,465,212.45 × 66,807,534.70
  4. Step 4: Simplify right side
    104,976,808.30x = 10,519,862,644,796,246
  5. Step 5: Solve for x
    x = 10,519,862,644,796,246/104,976,808.30
  6. Step 6: Final answer
    x = 100,211,302.05

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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.