Home / 85,430,496.30-128,133,302.85-24,839,904.30

Finding the Fourth Proportional to 85,430,496.30, 128,133,302.85 and 24,839,904.30

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Solution

The fourth proportional to 85,430,496.30, 128,133,302.85 and 24,839,904.30 is: 37,256,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,430,496.30 : 128,133,302.85 = 24,839,904.30 : x
  2. Step 2: Convert to fraction form
    85,430,496.30/128,133,302.85 = 24,839,904.30/x
  3. Step 3: Cross multiply
    85,430,496.30x = 128,133,302.85 × 24,839,904.30
  4. Step 4: Simplify right side
    85,430,496.30x = 3,182,818,980,436,917
  5. Step 5: Solve for x
    x = 3,182,818,980,436,917/85,430,496.30
  6. Step 6: Final answer
    x = 37,256,238.91

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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.