Home / 77,283,406.80-115,925,110.20-47,050,318.80

Finding the Fourth Proportional to 77,283,406.80, 115,925,110.20 and 47,050,318.80

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Solution

The fourth proportional to 77,283,406.80, 115,925,110.20 and 47,050,318.80 is: 70,575,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283,406.80 : 115,925,110.20 = 47,050,318.80 : x
  2. Step 2: Convert to fraction form
    77,283,406.80/115,925,110.20 = 47,050,318.80/x
  3. Step 3: Cross multiply
    77,283,406.80x = 115,925,110.20 × 47,050,318.80
  4. Step 4: Simplify right side
    77,283,406.80x = 5,454,313,391,835,132
  5. Step 5: Solve for x
    x = 5,454,313,391,835,132/77,283,406.80
  6. Step 6: Final answer
    x = 70,575,478.20

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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.