Home / 56,695,109.50-78,263,435.28-38,121,015.70

Finding the Fourth Proportional to 56,695,109.50, 78,263,435.28 and 38,121,015.70

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Solution

The fourth proportional to 56,695,109.50, 78,263,435.28 and 38,121,015.70 is: 52,623,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,109.50 : 78,263,435.28 = 38,121,015.70 : x
  2. Step 2: Convert to fraction form
    56,695,109.50/78,263,435.28 = 38,121,015.70/x
  3. Step 3: Cross multiply
    56,695,109.50x = 78,263,435.28 × 38,121,015.70
  4. Step 4: Simplify right side
    56,695,109.50x = 2,983,481,645,044,814
  5. Step 5: Solve for x
    x = 2,983,481,645,044,814/56,695,109.50
  6. Step 6: Final answer
    x = 52,623,262.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.