Home / 129,080,068.80-178,125,311.88-70,341,482.04

Finding the Fourth Proportional to 129,080,068.80, 178,125,311.88 and 70,341,482.04

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Solution

The fourth proportional to 129,080,068.80, 178,125,311.88 and 70,341,482.04 is: 97,068,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,080,068.80 : 178,125,311.88 = 70,341,482.04 : x
  2. Step 2: Convert to fraction form
    129,080,068.80/178,125,311.88 = 70,341,482.04/x
  3. Step 3: Cross multiply
    129,080,068.80x = 178,125,311.88 × 70,341,482.04
  4. Step 4: Simplify right side
    129,080,068.80x = 12,529,598,426,476,420
  5. Step 5: Solve for x
    x = 12,529,598,426,476,420/129,080,068.80
  6. Step 6: Final answer
    x = 97,068,420.73

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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.