Home / 86,193,862.45-118,950,058.52-47,038,167.61

Finding the Fourth Proportional to 86,193,862.45, 118,950,058.52 and 47,038,167.61

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Solution

The fourth proportional to 86,193,862.45, 118,950,058.52 and 47,038,167.61 is: 64,914,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,862.45 : 118,950,058.52 = 47,038,167.61 : x
  2. Step 2: Convert to fraction form
    86,193,862.45/118,950,058.52 = 47,038,167.61/x
  3. Step 3: Cross multiply
    86,193,862.45x = 118,950,058.52 × 47,038,167.61
  4. Step 4: Simplify right side
    86,193,862.45x = 5,595,192,789,883,068
  5. Step 5: Solve for x
    x = 5,595,192,789,883,068/86,193,862.45
  6. Step 6: Final answer
    x = 64,914,051.08

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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.