Home / 118,632,611.66-163,730,191.67-66,425,011.79

Finding the Fourth Proportional to 118,632,611.66, 163,730,191.67 and 66,425,011.79

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Solution

The fourth proportional to 118,632,611.66, 163,730,191.67 and 66,425,011.79 is: 91,676,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,632,611.66 : 163,730,191.67 = 66,425,011.79 : x
  2. Step 2: Convert to fraction form
    118,632,611.66/163,730,191.67 = 66,425,011.79/x
  3. Step 3: Cross multiply
    118,632,611.66x = 163,730,191.67 × 66,425,011.79
  4. Step 4: Simplify right side
    118,632,611.66x = 10,875,779,910,907,932
  5. Step 5: Solve for x
    x = 10,875,779,910,907,932/118,632,611.66
  6. Step 6: Final answer
    x = 91,676,139.97

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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.