Home / 211,900,947.15-292,447,524.06-117,824,474.01

Finding the Fourth Proportional to 211,900,947.15, 292,447,524.06 and 117,824,474.01

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Solution

The fourth proportional to 211,900,947.15, 292,447,524.06 and 117,824,474.01 is: 162,611,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,900,947.15 : 292,447,524.06 = 117,824,474.01 : x
  2. Step 2: Convert to fraction form
    211,900,947.15/292,447,524.06 = 117,824,474.01/x
  3. Step 3: Cross multiply
    211,900,947.15x = 292,447,524.06 × 117,824,474.01
  4. Step 4: Simplify right side
    211,900,947.15x = 34,457,475,697,896,320
  5. Step 5: Solve for x
    x = 34,457,475,697,896,320/211,900,947.15
  6. Step 6: Final answer
    x = 162,611,239.64

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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.