Home / 159,326,971.29-219,878,005.55-88,762,541.49

Finding the Fourth Proportional to 159,326,971.29, 219,878,005.55 and 88,762,541.49

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Solution

The fourth proportional to 159,326,971.29, 219,878,005.55 and 88,762,541.49 is: 122,496,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,326,971.29 : 219,878,005.55 = 88,762,541.49 : x
  2. Step 2: Convert to fraction form
    159,326,971.29/219,878,005.55 = 88,762,541.49/x
  3. Step 3: Cross multiply
    159,326,971.29x = 219,878,005.55 × 88,762,541.49
  4. Step 4: Simplify right side
    159,326,971.29x = 19,516,930,589,926,512
  5. Step 5: Solve for x
    x = 19,516,930,589,926,512/159,326,971.29
  6. Step 6: Final answer
    x = 122,496,087.33

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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.