Home / 85,409,935.80-128,102,462.10-24,819,343.80

Finding the Fourth Proportional to 85,409,935.80, 128,102,462.10 and 24,819,343.80

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Solution

The fourth proportional to 85,409,935.80, 128,102,462.10 and 24,819,343.80 is: 37,225,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,409,935.80 : 128,102,462.10 = 24,819,343.80 : x
  2. Step 2: Convert to fraction form
    85,409,935.80/128,102,462.10 = 24,819,343.80/x
  3. Step 3: Cross multiply
    85,409,935.80x = 128,102,462.10 × 24,819,343.80
  4. Step 4: Simplify right side
    85,409,935.80x = 3,179,419,048,486,370
  5. Step 5: Solve for x
    x = 3,179,419,048,486,370/85,409,935.80
  6. Step 6: Final answer
    x = 37,225,400.29

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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.