Home / 210,674,381.94-290,731,073.85-117,856,439.82

Finding the Fourth Proportional to 210,674,381.94, 290,731,073.85 and 117,856,439.82

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Solution

The fourth proportional to 210,674,381.94, 290,731,073.85 and 117,856,439.82 is: 162,642,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,674,381.94 : 290,731,073.85 = 117,856,439.82 : x
  2. Step 2: Convert to fraction form
    210,674,381.94/290,731,073.85 = 117,856,439.82/x
  3. Step 3: Cross multiply
    210,674,381.94x = 290,731,073.85 × 117,856,439.82
  4. Step 4: Simplify right side
    210,674,381.94x = 34,264,529,309,006,500
  5. Step 5: Solve for x
    x = 34,264,529,309,006,500/210,674,381.94
  6. Step 6: Final answer
    x = 162,642,125.70

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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.