Home / 73,602,534-101,572,191.36-40,563,991.20

Finding the Fourth Proportional to 73,602,534, 101,572,191.36 and 40,563,991.20

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Solution

The fourth proportional to 73,602,534, 101,572,191.36 and 40,563,991.20 is: 55,978,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602,534 : 101,572,191.36 = 40,563,991.20 : x
  2. Step 2: Convert to fraction form
    73,602,534/101,572,191.36 = 40,563,991.20/x
  3. Step 3: Cross multiply
    73,602,534x = 101,572,191.36 × 40,563,991.20
  4. Step 4: Simplify right side
    73,602,534x = 4,120,173,476,491,756.50
  5. Step 5: Solve for x
    x = 4,120,173,476,491,756.50/73,602,534
  6. Step 6: Final answer
    x = 55,978,690.58

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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.