Home / 152,014,827.33-209,789,508.87-85,941,475.74

Finding the Fourth Proportional to 152,014,827.33, 209,789,508.87 and 85,941,475.74

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Solution

The fourth proportional to 152,014,827.33, 209,789,508.87 and 85,941,475.74 is: 118,604,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,014,827.33 : 209,789,508.87 = 85,941,475.74 : x
  2. Step 2: Convert to fraction form
    152,014,827.33/209,789,508.87 = 85,941,475.74/x
  3. Step 3: Cross multiply
    152,014,827.33x = 209,789,508.87 × 85,941,475.74
  4. Step 4: Simplify right side
    152,014,827.33x = 18,029,619,987,057,620
  5. Step 5: Solve for x
    x = 18,029,619,987,057,620/152,014,827.33
  6. Step 6: Final answer
    x = 118,604,351.32

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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.