Home / 128,416,875.93-192,688,299.50-60,265,108.89

Finding the Fourth Proportional to 128,416,875.93, 192,688,299.50 and 60,265,108.89

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Solution

The fourth proportional to 128,416,875.93, 192,688,299.50 and 60,265,108.89 is: 90,427,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,416,875.93 : 192,688,299.50 = 60,265,108.89 : x
  2. Step 2: Convert to fraction form
    128,416,875.93/192,688,299.50 = 60,265,108.89/x
  3. Step 3: Cross multiply
    128,416,875.93x = 192,688,299.50 × 60,265,108.89
  4. Step 4: Simplify right side
    128,416,875.93x = 11,612,381,350,895,108
  5. Step 5: Solve for x
    x = 11,612,381,350,895,108/128,416,875.93
  6. Step 6: Final answer
    x = 90,427,222.02

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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.