Home / 112,327,235.10-168,490,852.65-91,919,900.70

Finding the Fourth Proportional to 112,327,235.10, 168,490,852.65 and 91,919,900.70

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Solution

The fourth proportional to 112,327,235.10, 168,490,852.65 and 91,919,900.70 is: 137,879,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,235.10 : 168,490,852.65 = 91,919,900.70 : x
  2. Step 2: Convert to fraction form
    112,327,235.10/168,490,852.65 = 91,919,900.70/x
  3. Step 3: Cross multiply
    112,327,235.10x = 168,490,852.65 × 91,919,900.70
  4. Step 4: Simplify right side
    112,327,235.10x = 15,487,662,444,446,332
  5. Step 5: Solve for x
    x = 15,487,662,444,446,332/112,327,235.10
  6. Step 6: Final answer
    x = 137,879,851.05

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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.