Home / 57,267,988.99-79,109,534.45-55,141,898.96

Finding the Fourth Proportional to 57,267,988.99, 79,109,534.45 and 55,141,898.96

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Solution

The fourth proportional to 57,267,988.99, 79,109,534.45 and 55,141,898.96 is: 76,172,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267,988.99 : 79,109,534.45 = 55,141,898.96 : x
  2. Step 2: Convert to fraction form
    57,267,988.99/79,109,534.45 = 55,141,898.96/x
  3. Step 3: Cross multiply
    57,267,988.99x = 79,109,534.45 × 55,141,898.96
  4. Step 4: Simplify right side
    57,267,988.99x = 4,362,249,955,414,539.50
  5. Step 5: Solve for x
    x = 4,362,249,955,414,539.50/57,267,988.99
  6. Step 6: Final answer
    x = 76,172,570.97

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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.