Home / 151,339,087.40-227,008,631.10-138,425,071.10

Finding the Fourth Proportional to 151,339,087.40, 227,008,631.10 and 138,425,071.10

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Solution

The fourth proportional to 151,339,087.40, 227,008,631.10 and 138,425,071.10 is: 207,637,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,339,087.40 : 227,008,631.10 = 138,425,071.10 : x
  2. Step 2: Convert to fraction form
    151,339,087.40/227,008,631.10 = 138,425,071.10/x
  3. Step 3: Cross multiply
    151,339,087.40x = 227,008,631.10 × 138,425,071.10
  4. Step 4: Simplify right side
    151,339,087.40x = 31,423,685,900,331,168
  5. Step 5: Solve for x
    x = 31,423,685,900,331,168/151,339,087.40
  6. Step 6: Final answer
    x = 207,637,606.65

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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.