Home / 118,858,331.81-163,955,006.28-74,735,475.59

Finding the Fourth Proportional to 118,858,331.81, 163,955,006.28 and 74,735,475.59

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Solution

The fourth proportional to 118,858,331.81, 163,955,006.28 and 74,735,475.59 is: 103,091,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858,331.81 : 163,955,006.28 = 74,735,475.59 : x
  2. Step 2: Convert to fraction form
    118,858,331.81/163,955,006.28 = 74,735,475.59/x
  3. Step 3: Cross multiply
    118,858,331.81x = 163,955,006.28 × 74,735,475.59
  4. Step 4: Simplify right side
    118,858,331.81x = 12,253,255,370,107,124
  5. Step 5: Solve for x
    x = 12,253,255,370,107,124/118,858,331.81
  6. Step 6: Final answer
    x = 103,091,261.53

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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.