Home / 118,781,657.76-163,925,112.27-66,587,459.34

Finding the Fourth Proportional to 118,781,657.76, 163,925,112.27 and 66,587,459.34

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Solution

The fourth proportional to 118,781,657.76, 163,925,112.27 and 66,587,459.34 is: 91,894,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,781,657.76 : 163,925,112.27 = 66,587,459.34 : x
  2. Step 2: Convert to fraction form
    118,781,657.76/163,925,112.27 = 66,587,459.34/x
  3. Step 3: Cross multiply
    118,781,657.76x = 163,925,112.27 × 66,587,459.34
  4. Step 4: Simplify right side
    118,781,657.76x = 10,915,356,748,083,562
  5. Step 5: Solve for x
    x = 10,915,356,748,083,562/118,781,657.76
  6. Step 6: Final answer
    x = 91,894,295.42

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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.