Home / 79,440,400.80-119,160,601.20-49,207,312.80

Finding the Fourth Proportional to 79,440,400.80, 119,160,601.20 and 49,207,312.80

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Solution

The fourth proportional to 79,440,400.80, 119,160,601.20 and 49,207,312.80 is: 73,810,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440,400.80 : 119,160,601.20 = 49,207,312.80 : x
  2. Step 2: Convert to fraction form
    79,440,400.80/119,160,601.20 = 49,207,312.80/x
  3. Step 3: Cross multiply
    79,440,400.80x = 119,160,601.20 × 49,207,312.80
  4. Step 4: Simplify right side
    79,440,400.80x = 5,863,572,976,684,455
  5. Step 5: Solve for x
    x = 5,863,572,976,684,455/79,440,400.80
  6. Step 6: Final answer
    x = 73,810,969.20

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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.