Home / 129,085,310.93-178,132,532.04-70,346,714.85

Finding the Fourth Proportional to 129,085,310.93, 178,132,532.04 and 70,346,714.85

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Solution

The fourth proportional to 129,085,310.93, 178,132,532.04 and 70,346,714.85 is: 97,075,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,085,310.93 : 178,132,532.04 = 70,346,714.85 : x
  2. Step 2: Convert to fraction form
    129,085,310.93/178,132,532.04 = 70,346,714.85/x
  3. Step 3: Cross multiply
    129,085,310.93x = 178,132,532.04 × 70,346,714.85
  4. Step 4: Simplify right side
    129,085,310.93x = 12,531,038,436,926,368
  5. Step 5: Solve for x
    x = 12,531,038,436,926,368/129,085,310.93
  6. Step 6: Final answer
    x = 97,075,634.30

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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.