Home / 129,482,071.44-178,683,173.28-70,743,475.32

Finding the Fourth Proportional to 129,482,071.44, 178,683,173.28 and 70,743,475.32

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Solution

The fourth proportional to 129,482,071.44, 178,683,173.28 and 70,743,475.32 is: 97,624,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,071.44 : 178,683,173.28 = 70,743,475.32 : x
  2. Step 2: Convert to fraction form
    129,482,071.44/178,683,173.28 = 70,743,475.32/x
  3. Step 3: Cross multiply
    129,482,071.44x = 178,683,173.28 × 70,743,475.32
  4. Step 4: Simplify right side
    129,482,071.44x = 12,640,668,659,032,962
  5. Step 5: Solve for x
    x = 12,640,668,659,032,962/129,482,071.44
  6. Step 6: Final answer
    x = 97,624,856.62

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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.