Home / 56,695,108.50-78,263,433.90-38,121,014.70

Finding the Fourth Proportional to 56,695,108.50, 78,263,433.90 and 38,121,014.70

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Solution

The fourth proportional to 56,695,108.50, 78,263,433.90 and 38,121,014.70 is: 52,623,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,108.50 : 78,263,433.90 = 38,121,014.70 : x
  2. Step 2: Convert to fraction form
    56,695,108.50/78,263,433.90 = 38,121,014.70/x
  3. Step 3: Cross multiply
    56,695,108.50x = 78,263,433.90 × 38,121,014.70
  4. Step 4: Simplify right side
    56,695,108.50x = 2,983,481,514,174,379
  5. Step 5: Solve for x
    x = 2,983,481,514,174,379/56,695,108.50
  6. Step 6: Final answer
    x = 52,623,261.39

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1.5x scale

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.