Home / 53,785,674.88-80,678,437.76-21,460,279.20

Finding the Fourth Proportional to 53,785,674.88, 80,678,437.76 and 21,460,279.20

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Solution

The fourth proportional to 53,785,674.88, 80,678,437.76 and 21,460,279.20 is: 32,190,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785,674.88 : 80,678,437.76 = 21,460,279.20 : x
  2. Step 2: Convert to fraction form
    53,785,674.88/80,678,437.76 = 21,460,279.20/x
  3. Step 3: Cross multiply
    53,785,674.88x = 80,678,437.76 × 21,460,279.20
  4. Step 4: Simplify right side
    53,785,674.88x = 1,731,381,799,749,422.75
  5. Step 5: Solve for x
    x = 1,731,381,799,749,422.75/53,785,674.88
  6. Step 6: Final answer
    x = 32,190,389.05

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1.5x scale

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.