Home / 130,769,224.68-180,459,325.38-72,037,383.72

Finding the Fourth Proportional to 130,769,224.68, 180,459,325.38 and 72,037,383.72

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Solution

The fourth proportional to 130,769,224.68, 180,459,325.38 and 72,037,383.72 is: 99,410,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,769,224.68 : 180,459,325.38 = 72,037,383.72 : x
  2. Step 2: Convert to fraction form
    130,769,224.68/180,459,325.38 = 72,037,383.72/x
  3. Step 3: Cross multiply
    130,769,224.68x = 180,459,325.38 × 72,037,383.72
  4. Step 4: Simplify right side
    130,769,224.68x = 12,999,817,668,251,394
  5. Step 5: Solve for x
    x = 12,999,817,668,251,394/130,769,224.68
  6. Step 6: Final answer
    x = 99,410,375.03

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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.