Home / 56,014,128.80-84,021,193.20-51,709,456.70

Finding the Fourth Proportional to 56,014,128.80, 84,021,193.20 and 51,709,456.70

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Solution

The fourth proportional to 56,014,128.80, 84,021,193.20 and 51,709,456.70 is: 77,564,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014,128.80 : 84,021,193.20 = 51,709,456.70 : x
  2. Step 2: Convert to fraction form
    56,014,128.80/84,021,193.20 = 51,709,456.70/x
  3. Step 3: Cross multiply
    56,014,128.80x = 84,021,193.20 × 51,709,456.70
  4. Step 4: Simplify right side
    56,014,128.80x = 4,344,690,251,657,735
  5. Step 5: Solve for x
    x = 4,344,690,251,657,735/56,014,128.80
  6. Step 6: Final answer
    x = 77,564,185.05

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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.