Home / 118,436,848.06-163,430,267.42-65,505,144.50

Finding the Fourth Proportional to 118,436,848.06, 163,430,267.42 and 65,505,144.50

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Solution

The fourth proportional to 118,436,848.06, 163,430,267.42 and 65,505,144.50 is: 90,390,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,436,848.06 : 163,430,267.42 = 65,505,144.50 : x
  2. Step 2: Convert to fraction form
    118,436,848.06/163,430,267.42 = 65,505,144.50/x
  3. Step 3: Cross multiply
    118,436,848.06x = 163,430,267.42 × 65,505,144.50
  4. Step 4: Simplify right side
    118,436,848.06x = 10,705,523,283,020,742
  5. Step 5: Solve for x
    x = 10,705,523,283,020,742/118,436,848.06
  6. Step 6: Final answer
    x = 90,390,140.05

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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.