Home / 85,430,529.80-128,133,353.10-24,839,937.80

Finding the Fourth Proportional to 85,430,529.80, 128,133,353.10 and 24,839,937.80

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Solution

The fourth proportional to 85,430,529.80, 128,133,353.10 and 24,839,937.80 is: 37,256,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,430,529.80 : 128,133,353.10 = 24,839,937.80 : x
  2. Step 2: Convert to fraction form
    85,430,529.80/128,133,353.10 = 24,839,937.80/x
  3. Step 3: Cross multiply
    85,430,529.80x = 128,133,353.10 × 24,839,937.80
  4. Step 4: Simplify right side
    85,430,529.80x = 3,182,824,521,109,437
  5. Step 5: Solve for x
    x = 3,182,824,521,109,437/85,430,529.80
  6. Step 6: Final answer
    x = 37,256,289.16

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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.