Home / 226,316,541.65-312,319,638.81-137,007,303.26

Finding the Fourth Proportional to 226,316,541.65, 312,319,638.81 and 137,007,303.26

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Solution

The fourth proportional to 226,316,541.65, 312,319,638.81 and 137,007,303.26 is: 189,071,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,316,541.65 : 312,319,638.81 = 137,007,303.26 : x
  2. Step 2: Convert to fraction form
    226,316,541.65/312,319,638.81 = 137,007,303.26/x
  3. Step 3: Cross multiply
    226,316,541.65x = 312,319,638.81 × 137,007,303.26
  4. Step 4: Simplify right side
    226,316,541.65x = 42,790,071,466,933,736
  5. Step 5: Solve for x
    x = 42,790,071,466,933,736/226,316,541.65
  6. Step 6: Final answer
    x = 189,071,780.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.