Home / 85,174,807.80-127,762,211.70-27,672,891.60

Finding the Fourth Proportional to 85,174,807.80, 127,762,211.70 and 27,672,891.60

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Solution

The fourth proportional to 85,174,807.80, 127,762,211.70 and 27,672,891.60 is: 41,509,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174,807.80 : 127,762,211.70 = 27,672,891.60 : x
  2. Step 2: Convert to fraction form
    85,174,807.80/127,762,211.70 = 27,672,891.60/x
  3. Step 3: Cross multiply
    85,174,807.80x = 127,762,211.70 × 27,672,891.60
  4. Step 4: Simplify right side
    85,174,807.80x = 3,535,549,834,950,352
  5. Step 5: Solve for x
    x = 3,535,549,834,950,352/85,174,807.80
  6. Step 6: Final answer
    x = 41,509,337.40

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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.