Home / 156,988,415,562.06-216,642,911,400.26-85,703,045,586.06

Finding the Fourth Proportional to 156,988,415,562.06, 216,642,911,400.26 and 85,703,045,586.06

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Solution

The fourth proportional to 156,988,415,562.06, 216,642,911,400.26 and 85,703,045,586.06 is: 118,269,601,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988,415,562.06 : 216,642,911,400.26 = 85,703,045,586.06 : x
  2. Step 2: Convert to fraction form
    156,988,415,562.06/216,642,911,400.26 = 85,703,045,586.06/x
  3. Step 3: Cross multiply
    156,988,415,562.06x = 216,642,911,400.26 × 85,703,045,586.06
  4. Step 4: Simplify right side
    156,988,415,562.06x = 18,566,957,311,633,240,621,056
  5. Step 5: Solve for x
    x = 18,566,957,311,633,240,621,056/156,988,415,562.06
  6. Step 6: Final answer
    x = 118,269,601,264.26

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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.