Home / 85,215,501.20-127,823,251.80-52,903,888.40

Finding the Fourth Proportional to 85,215,501.20, 127,823,251.80 and 52,903,888.40

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Solution

The fourth proportional to 85,215,501.20, 127,823,251.80 and 52,903,888.40 is: 79,355,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215,501.20 : 127,823,251.80 = 52,903,888.40 : x
  2. Step 2: Convert to fraction form
    85,215,501.20/127,823,251.80 = 52,903,888.40/x
  3. Step 3: Cross multiply
    85,215,501.20x = 127,823,251.80 × 52,903,888.40
  4. Step 4: Simplify right side
    85,215,501.20x = 6,762,347,048,152,299
  5. Step 5: Solve for x
    x = 6,762,347,048,152,299/85,215,501.20
  6. Step 6: Final answer
    x = 79,355,832.60

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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.