Home / 77,840,070.75-107,401,476.51-46,472,014.80

Finding the Fourth Proportional to 77,840,070.75, 107,401,476.51 and 46,472,014.80

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Solution

The fourth proportional to 77,840,070.75, 107,401,476.51 and 46,472,014.80 is: 64,120,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,840,070.75 : 107,401,476.51 = 46,472,014.80 : x
  2. Step 2: Convert to fraction form
    77,840,070.75/107,401,476.51 = 46,472,014.80/x
  3. Step 3: Cross multiply
    77,840,070.75x = 107,401,476.51 × 46,472,014.80
  4. Step 4: Simplify right side
    77,840,070.75x = 4,991,163,005,914,572
  5. Step 5: Solve for x
    x = 4,991,163,005,914,572/77,840,070.75
  6. Step 6: Final answer
    x = 64,120,740.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.