Home / 272,871,563.40-409,307,345.10-109,028,303.10

Finding the Fourth Proportional to 272,871,563.40, 409,307,345.10 and 109,028,303.10

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Solution

The fourth proportional to 272,871,563.40, 409,307,345.10 and 109,028,303.10 is: 163,542,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,871,563.40 : 409,307,345.10 = 109,028,303.10 : x
  2. Step 2: Convert to fraction form
    272,871,563.40/409,307,345.10 = 109,028,303.10/x
  3. Step 3: Cross multiply
    272,871,563.40x = 409,307,345.10 × 109,028,303.10
  4. Step 4: Simplify right side
    272,871,563.40x = 44,626,085,282,619,096
  5. Step 5: Solve for x
    x = 44,626,085,282,619,096/272,871,563.40
  6. Step 6: Final answer
    x = 163,542,454.65

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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.