Home / 129,482,452.96-178,683,699.60-70,743,856.48

Finding the Fourth Proportional to 129,482,452.96, 178,683,699.60 and 70,743,856.48

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Solution

The fourth proportional to 129,482,452.96, 178,683,699.60 and 70,743,856.48 is: 97,625,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,452.96 : 178,683,699.60 = 70,743,856.48 : x
  2. Step 2: Convert to fraction form
    129,482,452.96/178,683,699.60 = 70,743,856.48/x
  3. Step 3: Cross multiply
    129,482,452.96x = 178,683,699.60 × 70,743,856.48
  4. Step 4: Simplify right side
    129,482,452.96x = 12,640,773,999,817,834
  5. Step 5: Solve for x
    x = 12,640,773,999,817,834/129,482,452.96
  6. Step 6: Final answer
    x = 97,625,382.52

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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.