Home / 143,170,885.50-214,754,956.05-84,836,572.55

Finding the Fourth Proportional to 143,170,885.50, 214,754,956.05 and 84,836,572.55

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Solution

The fourth proportional to 143,170,885.50, 214,754,956.05 and 84,836,572.55 is: 127,254,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,170,885.50 : 214,754,956.05 = 84,836,572.55 : x
  2. Step 2: Convert to fraction form
    143,170,885.50/214,754,956.05 = 84,836,572.55/x
  3. Step 3: Cross multiply
    143,170,885.50x = 214,754,956.05 × 84,836,572.55
  4. Step 4: Simplify right side
    143,170,885.50x = 18,219,074,409,457,580
  5. Step 5: Solve for x
    x = 18,219,074,409,457,580/143,170,885.50
  6. Step 6: Final answer
    x = 127,254,045.72

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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.