Home / 191,192,486.40-286,788,729.60-61,892,891.10

Finding the Fourth Proportional to 191,192,486.40, 286,788,729.60 and 61,892,891.10

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Solution

The fourth proportional to 191,192,486.40, 286,788,729.60 and 61,892,891.10 is: 92,839,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,192,486.40 : 286,788,729.60 = 61,892,891.10 : x
  2. Step 2: Convert to fraction form
    191,192,486.40/286,788,729.60 = 61,892,891.10/x
  3. Step 3: Cross multiply
    191,192,486.40x = 286,788,729.60 × 61,892,891.10
  4. Step 4: Simplify right side
    191,192,486.40x = 17,750,183,609,840,148
  5. Step 5: Solve for x
    x = 17,750,183,609,840,148/191,192,486.40
  6. Step 6: Final answer
    x = 92,839,336.65

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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.