Home / 101,583,885.21-140,184,990.69-55,174,471.28

Finding the Fourth Proportional to 101,583,885.21, 140,184,990.69 and 55,174,471.28

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Solution

The fourth proportional to 101,583,885.21, 140,184,990.69 and 55,174,471.28 is: 76,140,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,583,885.21 : 140,184,990.69 = 55,174,471.28 : x
  2. Step 2: Convert to fraction form
    101,583,885.21/140,184,990.69 = 55,174,471.28/x
  3. Step 3: Cross multiply
    101,583,885.21x = 140,184,990.69 × 55,174,471.28
  4. Step 4: Simplify right side
    101,583,885.21x = 7,734,632,742,011,547
  5. Step 5: Solve for x
    x = 7,734,632,742,011,547/101,583,885.21
  6. Step 6: Final answer
    x = 76,140,351.65

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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.