Home / 122,686,624.56-169,308,091.08-66,931,876.04

Finding the Fourth Proportional to 122,686,624.56, 169,308,091.08 and 66,931,876.04

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Solution

The fourth proportional to 122,686,624.56, 169,308,091.08 and 66,931,876.04 is: 92,366,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686,624.56 : 169,308,091.08 = 66,931,876.04 : x
  2. Step 2: Convert to fraction form
    122,686,624.56/169,308,091.08 = 66,931,876.04/x
  3. Step 3: Cross multiply
    122,686,624.56x = 169,308,091.08 × 66,931,876.04
  4. Step 4: Simplify right side
    122,686,624.56x = 11,332,108,164,735,590
  5. Step 5: Solve for x
    x = 11,332,108,164,735,590/122,686,624.56
  6. Step 6: Final answer
    x = 92,366,288.55

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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.