Home / 112,346,522.70-168,519,784.05-99,357,492.30

Finding the Fourth Proportional to 112,346,522.70, 168,519,784.05 and 99,357,492.30

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Solution

The fourth proportional to 112,346,522.70, 168,519,784.05 and 99,357,492.30 is: 149,036,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,346,522.70 : 168,519,784.05 = 99,357,492.30 : x
  2. Step 2: Convert to fraction form
    112,346,522.70/168,519,784.05 = 99,357,492.30/x
  3. Step 3: Cross multiply
    112,346,522.70x = 168,519,784.05 × 99,357,492.30
  4. Step 4: Simplify right side
    112,346,522.70x = 16,743,703,146,145,538
  5. Step 5: Solve for x
    x = 16,743,703,146,145,538/112,346,522.70
  6. Step 6: Final answer
    x = 149,036,238.45

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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.