Home / 45,320,156.30-67,980,234.45-39,155,440.70

Finding the Fourth Proportional to 45,320,156.30, 67,980,234.45 and 39,155,440.70

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Solution

The fourth proportional to 45,320,156.30, 67,980,234.45 and 39,155,440.70 is: 58,733,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320,156.30 : 67,980,234.45 = 39,155,440.70 : x
  2. Step 2: Convert to fraction form
    45,320,156.30/67,980,234.45 = 39,155,440.70/x
  3. Step 3: Cross multiply
    45,320,156.30x = 67,980,234.45 × 39,155,440.70
  4. Step 4: Simplify right side
    45,320,156.30x = 2,661,796,038,779,072.50
  5. Step 5: Solve for x
    x = 2,661,796,038,779,072.50/45,320,156.30
  6. Step 6: Final answer
    x = 58,733,161.05

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1.5x scale

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.