Home / 112,291,290.30-168,436,935.45-39,519,302.70

Finding the Fourth Proportional to 112,291,290.30, 168,436,935.45 and 39,519,302.70

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Solution

The fourth proportional to 112,291,290.30, 168,436,935.45 and 39,519,302.70 is: 59,278,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291,290.30 : 168,436,935.45 = 39,519,302.70 : x
  2. Step 2: Convert to fraction form
    112,291,290.30/168,436,935.45 = 39,519,302.70/x
  3. Step 3: Cross multiply
    112,291,290.30x = 168,436,935.45 × 39,519,302.70
  4. Step 4: Simplify right side
    112,291,290.30x = 6,656,510,237,908,911
  5. Step 5: Solve for x
    x = 6,656,510,237,908,911/112,291,290.30
  6. Step 6: Final answer
    x = 59,278,954.05

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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.