Home / 56,832,340.16-78,428,645.06-31,371,774.89

Finding the Fourth Proportional to 56,832,340.16, 78,428,645.06 and 31,371,774.89

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Solution

The fourth proportional to 56,832,340.16, 78,428,645.06 and 31,371,774.89 is: 43,293,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832,340.16 : 78,428,645.06 = 31,371,774.89 : x
  2. Step 2: Convert to fraction form
    56,832,340.16/78,428,645.06 = 31,371,774.89/x
  3. Step 3: Cross multiply
    56,832,340.16x = 78,428,645.06 × 31,371,774.89
  4. Step 4: Simplify right side
    56,832,340.16x = 2,460,445,797,201,029
  5. Step 5: Solve for x
    x = 2,460,445,797,201,029/56,832,340.16
  6. Step 6: Final answer
    x = 43,293,057.97

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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.