Home / 129,029,297.40-193,543,946.10-88,718,513.40

Finding the Fourth Proportional to 129,029,297.40, 193,543,946.10 and 88,718,513.40

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Solution

The fourth proportional to 129,029,297.40, 193,543,946.10 and 88,718,513.40 is: 133,077,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029,297.40 : 193,543,946.10 = 88,718,513.40 : x
  2. Step 2: Convert to fraction form
    129,029,297.40/193,543,946.10 = 88,718,513.40/x
  3. Step 3: Cross multiply
    129,029,297.40x = 193,543,946.10 × 88,718,513.40
  4. Step 4: Simplify right side
    129,029,297.40x = 17,170,931,175,561,728
  5. Step 5: Solve for x
    x = 17,170,931,175,561,728/129,029,297.40
  6. Step 6: Final answer
    x = 133,077,770.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.